{"id":364,"date":"2020-02-04T23:08:41","date_gmt":"2020-02-04T15:08:41","guid":{"rendered":"https:\/\/blog.cqdefxxx.com\/?p=364"},"modified":"2020-02-04T23:08:41","modified_gmt":"2020-02-04T15:08:41","slug":"dom%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/blog.viter.top\/index.php\/2020\/02\/04\/dom%e6%93%8d%e4%bd%9c\/","title":{"rendered":"DOM\u64cd\u4f5c"},"content":{"rendered":"<h1>dom\u67e5\u8be2:<\/h1>\n<pre class=\"pure-highlightjs\"><code class=\"\">&lt;!DOCTYPE HTML PUBLIC \"-\/\/W3C\/\/DTD HTML 4.01\/\/EN\" \"http:\/\/www.w3.org\/TR\/html4\/strict.dtd\"&gt;\n&lt;html&gt;\n\t&lt;head&gt;\n\t\t&lt;meta http-equiv=\"Content-Type\" content=\"text\/html; charset=UTF-8\"&gt;\n\t\t&lt;title&gt;Untitled Document&lt;\/title&gt;\n\t\t&lt;link rel=\"stylesheet\" type=\"text\/css\" href=\"style\/css.css\" \/&gt;\n\t\t&lt;script type=\"text\/javascript\"&gt;\n\t\t\n\t\t\t\/*\n\t\t\t * \u5b9a\u4e49\u4e00\u4e2a\u51fd\u6570\uff0c\u4e13\u95e8\u7528\u6765\u4e3a\u6307\u5b9a\u5143\u7d20\u7ed1\u5b9a\u5355\u51fb\u54cd\u5e94\u51fd\u6570\n\t\t\t * \t\u53c2\u6570\uff1a\n\t\t\t * \t\tidStr \u8981\u7ed1\u5b9a\u5355\u51fb\u54cd\u5e94\u51fd\u6570\u7684\u5bf9\u8c61\u7684id\u5c5e\u6027\u503c\n\t\t\t * \t\tfun \u4e8b\u4ef6\u7684\u56de\u8c03\u51fd\u6570\uff0c\u5f53\u5355\u51fb\u5143\u7d20\u65f6\uff0c\u8be5\u51fd\u6570\u5c06\u4f1a\u88ab\u89e6\u53d1\n\t\t\t *\/\n\t\t\tfunction myClick(idStr , fun){\n\t\t\t\tvar btn = document.getElementById(idStr);\n\t\t\t\tbtn.onclick = fun;\n\t\t\t}\n\t\t\n\t\t\twindow.onload = function(){\n\t\t\t\t\n\t\t\t\t\/\/\u4e3aid\u4e3abtn01\u7684\u6309\u94ae\u7ed1\u5b9a\u4e00\u4e2a\u5355\u51fb\u54cd\u5e94\u51fd\u6570\n\t\t\t\tvar btn01 = document.getElementById(\"btn01\");\n\t\t\t\tbtn01.onclick = function(){\n\t\t\t\t\t\/\/\u67e5\u627e#bj\u8282\u70b9\n\t\t\t\t\tvar bj = document.getElementById(\"bj\");\n\t\t\t\t\t\/\/\u6253\u5370bj\n\t\t\t\t\t\/\/innerHTML \u901a\u8fc7\u8fd9\u4e2a\u5c5e\u6027\u53ef\u4ee5\u83b7\u53d6\u5230\u5143\u7d20\u5185\u90e8\u7684html\u4ee3\u7801\n\t\t\t\t\talert(bj.innerHTML);\n\t\t\t\t};\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\/\/\u4e3aid\u4e3abtn02\u7684\u6309\u94ae\u7ed1\u5b9a\u4e00\u4e2a\u5355\u51fb\u54cd\u5e94\u51fd\u6570\n\t\t\t\tvar btn02 = document.getElementById(\"btn02\");\n\t\t\t\tbtn02.onclick = function(){\n\t\t\t\t\t\/\/\u67e5\u627e\u6240\u6709li\u8282\u70b9\n\t\t\t\t\t\/\/getElementsByTagName()\u53ef\u4ee5\u6839\u636e\u6807\u7b7e\u540d\u6765\u83b7\u53d6\u4e00\u7ec4\u5143\u7d20\u8282\u70b9\u5bf9\u8c61\n\t\t\t\t\t\/\/\u8fd9\u4e2a\u65b9\u6cd5\u4f1a\u7ed9\u6211\u4eec\u8fd4\u56de\u4e00\u4e2a\u7c7b\u6570\u7ec4\u5bf9\u8c61\uff0c\u6240\u6709\u67e5\u8be2\u5230\u7684\u5143\u7d20\u90fd\u4f1a\u5c01\u88c5\u5230\u5bf9\u8c61\u4e2d\n\t\t\t\t\t\/\/\u5373\u4f7f\u67e5\u8be2\u5230\u7684\u5143\u7d20\u53ea\u6709\u4e00\u4e2a\uff0c\u4e5f\u4f1a\u5c01\u88c5\u5230\u6570\u7ec4\u4e2d\u8fd4\u56de\n\t\t\t\t\tvar lis = document.getElementsByTagName(\"li\");\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u6253\u5370lis\n\t\t\t\t\t\/\/alert(lis.length);\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u53d8\u91cflis\n\t\t\t\t\tfor(var i=0 ; i&lt;lis.length ; i++){\n\t\t\t\t\t\talert(lis[i].innerHTML);\n\t\t\t\t\t}\n\t\t\t\t};\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\/\/\u4e3aid\u4e3abtn03\u7684\u6309\u94ae\u7ed1\u5b9a\u4e00\u4e2a\u5355\u51fb\u54cd\u5e94\u51fd\u6570\n\t\t\t\tvar btn03 = document.getElementById(\"btn03\");\n\t\t\t\tbtn03.onclick = function(){\n\t\t\t\t\t\/\/\u67e5\u627ename=gender\u7684\u6240\u6709\u8282\u70b9\n\t\t\t\t\tvar inputs = document.getElementsByName(\"gender\");\n\t\t\t\t\t\n\t\t\t\t\t\/\/alert(inputs.length);\n\t\t\t\t\t\n\t\t\t\t\tfor(var i=0 ; i&lt;inputs.length ; i++){\n\t\t\t\t\t\t\/*\n\t\t\t\t\t\t * innerHTML\u7528\u4e8e\u83b7\u53d6\u5143\u7d20\u5185\u90e8\u7684HTML\u4ee3\u7801\u7684\n\t\t\t\t\t\t * \t\u5bf9\u4e8e\u81ea\u7ed3\u675f\u6807\u7b7e\uff0c\u8fd9\u4e2a\u5c5e\u6027\u6ca1\u6709\u610f\u4e49\n\t\t\t\t\t\t *\/\n\t\t\t\t\t\t\/\/alert(inputs[i].innerHTML);\n\t\t\t\t\t\t\/*\n\t\t\t\t\t\t * \u5982\u679c\u9700\u8981\u8bfb\u53d6\u5143\u7d20\u8282\u70b9\u5c5e\u6027\uff0c\n\t\t\t\t\t\t * \t\u76f4\u63a5\u4f7f\u7528 \u5143\u7d20.\u5c5e\u6027\u540d\n\t\t\t\t\t\t * \t\t\u4f8b\u5b50\uff1a\u5143\u7d20.id \u5143\u7d20.name \u5143\u7d20.value\n\t\t\t\t\t\t * \t\t\u6ce8\u610f\uff1aclass\u5c5e\u6027\u4e0d\u80fd\u91c7\u7528\u8fd9\u79cd\u65b9\u5f0f\uff0c\n\t\t\t\t\t\t * \t\t\t\u8bfb\u53d6class\u5c5e\u6027\u65f6\u9700\u8981\u4f7f\u7528 \u5143\u7d20.className\n\t\t\t\t\t\t *\/\n\t\t\t\t\t\talert(inputs[i].className);\n\t\t\t\t\t}\n\t\t\t\t};\n\t\t\t\t\n\t\t\t\t\/\/\u4e3aid\u4e3abtn04\u7684\u6309\u94ae\u7ed1\u5b9a\u4e00\u4e2a\u5355\u51fb\u54cd\u5e94\u51fd\u6570\n\t\t\t\tvar btn04 = document.getElementById(\"btn04\");\n\t\t\t\tbtn04.onclick = function(){\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u83b7\u53d6id\u4e3acity\u7684\u5143\u7d20\n\t\t\t\t\tvar city = document.getElementById(\"city\");\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u67e5\u627e#city\u4e0b\u6240\u6709li\u8282\u70b9\n\t\t\t\t\tvar lis = city.getElementsByTagName(\"li\");\n\t\t\t\t\t\n\t\t\t\t\tfor(var i=0 ; i&lt;lis.length ; i++){\n\t\t\t\t\t\talert(lis[i].innerHTML);\n\t\t\t\t\t}\n\t\t\t\t\t\n\t\t\t\t};\n\t\t\t\t\n\t\t\t\t\/\/\u4e3aid\u4e3abtn05\u7684\u6309\u94ae\u7ed1\u5b9a\u4e00\u4e2a\u5355\u51fb\u54cd\u5e94\u51fd\u6570\n\t\t\t\tvar btn05 = document.getElementById(\"btn05\");\n\t\t\t\tbtn05.onclick = function(){\n\t\t\t\t\t\/\/\u83b7\u53d6id\u4e3acity\u7684\u8282\u70b9\n\t\t\t\t\tvar city = document.getElementById(\"city\");\n\t\t\t\t\t\/\/\u8fd4\u56de#city\u7684\u6240\u6709\u5b50\u8282\u70b9\n\t\t\t\t\t\/*\n\t\t\t\t\t * childNodes\u5c5e\u6027\u4f1a\u83b7\u53d6\u5305\u62ec\u6587\u672c\u8282\u70b9\u5728\u5462\u7684\u6240\u6709\u8282\u70b9\n\t\t\t\t\t * \u6839\u636eDOM\u6807\u7b7e\u6807\u7b7e\u95f4\u7a7a\u767d\u4e5f\u4f1a\u5f53\u6210\u6587\u672c\u8282\u70b9\n\t\t\t\t\t * \u6ce8\u610f\uff1a\u5728IE8\u53ca\u4ee5\u4e0b\u7684\u6d4f\u89c8\u5668\u4e2d\uff0c\u4e0d\u4f1a\u5c06\u7a7a\u767d\u6587\u672c\u5f53\u6210\u5b50\u8282\u70b9\uff0c\n\t\t\t\t\t * \t\u6240\u4ee5\u8be5\u5c5e\u6027\u5728IE8\u4e2d\u4f1a\u8fd4\u56de4\u4e2a\u5b50\u5143\u7d20\u800c\u5176\u4ed6\u6d4f\u89c8\u5668\u662f9\u4e2a\n\t\t\t\t\t *\/\n\t\t\t\t\tvar cns = city.childNodes;\n\t\t\t\t\t\n\t\t\t\t\t\/\/alert(cns.length);\n\t\t\t\t\t\n\t\t\t\t\t\/*for(var i=0 ; i&lt;cns.length ; i++){\n\t\t\t\t\t\talert(cns[i]);\n\t\t\t\t\t}*\/\n\t\t\t\t\t\n\t\t\t\t\t\/*\n\t\t\t\t\t * children\u5c5e\u6027\u53ef\u4ee5\u83b7\u53d6\u5f53\u524d\u5143\u7d20\u7684\u6240\u6709\u5b50\u5143\u7d20\n\t\t\t\t\t *\/\n\t\t\t\t\tvar cns2 = city.children;\n\t\t\t\t\talert(cns2.length);\n\t\t\t\t};\n\t\t\t\t\n\t\t\t\t\/\/\u4e3aid\u4e3abtn06\u7684\u6309\u94ae\u7ed1\u5b9a\u4e00\u4e2a\u5355\u51fb\u54cd\u5e94\u51fd\u6570\n\t\t\t\tvar btn06 = document.getElementById(\"btn06\");\n\t\t\t\tbtn06.onclick = function(){\n\t\t\t\t\t\/\/\u83b7\u53d6id\u4e3aphone\u7684\u5143\u7d20\n\t\t\t\t\tvar phone = document.getElementById(\"phone\");\n\t\t\t\t\t\/\/\u8fd4\u56de#phone\u7684\u7b2c\u4e00\u4e2a\u5b50\u8282\u70b9\n\t\t\t\t\t\/\/phone.childNodes[0];\n\t\t\t\t\t\/\/firstChild\u53ef\u4ee5\u83b7\u53d6\u5230\u5f53\u524d\u5143\u7d20\u7684\u7b2c\u4e00\u4e2a\u5b50\u8282\u70b9\uff08\u5305\u62ec\u7a7a\u767d\u6587\u672c\u8282\u70b9\uff09\n\t\t\t\t\tvar fir = phone.firstChild;\n\t\t\t\t\t\n\t\t\t\t\t\/\/firstElementChild\u83b7\u53d6\u5f53\u524d\u5143\u7d20\u7684\u7b2c\u4e00\u4e2a\u5b50\u5143\u7d20\n\t\t\t\t\t\/*\n\t\t\t\t\t * firstElementChild\u4e0d\u652f\u6301IE8\u53ca\u4ee5\u4e0b\u7684\u6d4f\u89c8\u5668\uff0c\n\t\t\t\t\t * \t\u5982\u679c\u9700\u8981\u517c\u5bb9\u4ed6\u4eec\u5c3d\u91cf\u4e0d\u8981\u4f7f\u7528\n\t\t\t\t\t *\/\n\t\t\t\t\t\/\/fir = phone.firstElementChild;\n\t\t\t\t\t\n\t\t\t\t\talert(fir);\n\t\t\t\t};\n\t\t\t\t\n\t\t\t\t\/\/\u4e3aid\u4e3abtn07\u7684\u6309\u94ae\u7ed1\u5b9a\u4e00\u4e2a\u5355\u51fb\u54cd\u5e94\u51fd\u6570\n\t\t\t\tmyClick(\"btn07\",function(){\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u83b7\u53d6id\u4e3abj\u7684\u8282\u70b9\n\t\t\t\t\tvar bj = document.getElementById(\"bj\");\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u8fd4\u56de#bj\u7684\u7236\u8282\u70b9\n\t\t\t\t\tvar pn = bj.parentNode;\n\t\t\t\t\t\n\t\t\t\t\talert(pn.innerHTML);\n\t\t\t\t\t\n\t\t\t\t\t\/*\n\t\t\t\t\t * innerText\n\t\t\t\t\t * \t- \u8be5\u5c5e\u6027\u53ef\u4ee5\u83b7\u53d6\u5230\u5143\u7d20\u5185\u90e8\u7684\u6587\u672c\u5185\u5bb9\n\t\t\t\t\t * \t- \u5b83\u548cinnerHTML\u7c7b\u4f3c\uff0c\u4e0d\u540c\u7684\u662f\u5b83\u4f1a\u81ea\u52a8\u5c06html\u53bb\u9664\n\t\t\t\t\t *\/\n\t\t\t\t\t\/\/alert(pn.innerText);\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t});\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\/\/\u4e3aid\u4e3abtn08\u7684\u6309\u94ae\u7ed1\u5b9a\u4e00\u4e2a\u5355\u51fb\u54cd\u5e94\u51fd\u6570\n\t\t\t\tmyClick(\"btn08\",function(){\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u83b7\u53d6id\u4e3aandroid\u7684\u5143\u7d20\n\t\t\t\t\tvar and = document.getElementById(\"android\");\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u8fd4\u56de#android\u7684\u524d\u4e00\u4e2a\u5144\u5f1f\u8282\u70b9\uff08\u4e5f\u53ef\u80fd\u83b7\u53d6\u5230\u7a7a\u767d\u7684\u6587\u672c\uff09\n\t\t\t\t\tvar ps = and.previousSibling;\n\t\t\t\t\t\n\t\t\t\t\t\/\/previousElementSibling\u83b7\u53d6\u524d\u4e00\u4e2a\u5144\u5f1f\u5143\u7d20\uff0cIE8\u53ca\u4ee5\u4e0b\u4e0d\u652f\u6301\n\t\t\t\t\t\/\/var pe = and.previousElementSibling;\n\t\t\t\t\t\n\t\t\t\t\talert(ps);\n\t\t\t\t\t\n\t\t\t\t});\n\t\t\t\t\n\t\t\t\t\/\/\u8bfb\u53d6#username\u7684value\u5c5e\u6027\u503c\n\t\t\t\tmyClick(\"btn09\",function(){\n\t\t\t\t\t\/\/\u83b7\u53d6id\u4e3ausername\u7684\u5143\u7d20\n\t\t\t\t\tvar um = document.getElementById(\"username\");\n\t\t\t\t\t\/\/\u8bfb\u53d6um\u7684value\u5c5e\u6027\u503c\n\t\t\t\t\t\/\/\u6587\u672c\u6846\u7684value\u5c5e\u6027\u503c\uff0c\u5c31\u662f\u6587\u672c\u6846\u4e2d\u586b\u5199\u7684\u5185\u5bb9\n\t\t\t\t\talert(um.value);\n\t\t\t\t});\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\/\/\u8bbe\u7f6e#username\u7684value\u5c5e\u6027\u503c\n\t\t\t\tmyClick(\"btn10\",function(){\n\t\t\t\t\t\/\/\u83b7\u53d6id\u4e3ausername\u7684\u5143\u7d20\n\t\t\t\t\tvar um = document.getElementById(\"username\");\n\t\t\t\t\t\n\t\t\t\t\tum.value = \"\u4eca\u5929\u5929\u6c14\u771f\u4e0d\u9519~~~\";\n\t\t\t\t});\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\/\/\u8fd4\u56de#bj\u7684\u6587\u672c\u503c\n\t\t\t\tmyClick(\"btn11\",function(){\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u83b7\u53d6id\u4e3abj\u7684\u5143\u7d20\n\t\t\t\t\tvar bj = document.getElementById(\"bj\");\n\t\t\t\t\t\n\t\t\t\t\t\/\/alert(bj.innerHTML);\n\t\t\t\t\t\/\/alert(bj.innerText);\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u83b7\u53d6bj\u4e2d\u7684\u6587\u672c\u8282\u70b9\n\t\t\t\t\t\/*var fc = bj.firstChild;\n\t\t\t\t\talert(fc.nodeValue);*\/\n\t\t\t\t\t\n\t\t\t\t\talert(bj.firstChild.nodeValue);\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t});\n\t\t\t\t\n\t\t\t};\n\t\t\t\n\t\t\n\t\t&lt;\/script&gt;\n\t&lt;\/head&gt;\n\t&lt;body&gt;\n\t\t&lt;div id=\"total\"&gt;\n\t\t\t&lt;div class=\"inner\"&gt;\n\t\t\t\t&lt;p&gt;\n\t\t\t\t\t\u4f60\u559c\u6b22\u54ea\u4e2a\u57ce\u5e02?\n\t\t\t\t&lt;\/p&gt;\n\n\t\t\t\t&lt;ul id=\"city\"&gt;\n\t\t\t\t\t&lt;li id=\"bj\"&gt;\u5317\u4eac&lt;\/li&gt;\n\t\t\t\t\t&lt;li&gt;\u4e0a\u6d77&lt;\/li&gt;\n\t\t\t\t\t&lt;li&gt;\u4e1c\u4eac&lt;\/li&gt;\n\t\t\t\t\t&lt;li&gt;\u9996\u5c14&lt;\/li&gt;\n\t\t\t\t&lt;\/ul&gt;\n\n\t\t\t\t&lt;br&gt;\n\t\t\t\t&lt;br&gt;\n\n\t\t\t\t&lt;p&gt;\n\t\t\t\t\t\u4f60\u559c\u6b22\u54ea\u6b3e\u5355\u673a\u6e38\u620f?\n\t\t\t\t&lt;\/p&gt;\n\n\t\t\t\t&lt;ul id=\"game\"&gt;\n\t\t\t\t\t&lt;li id=\"rl\"&gt;\u7ea2\u8b66&lt;\/li&gt;\n\t\t\t\t\t&lt;li&gt;\u5b9e\u51b5&lt;\/li&gt;\n\t\t\t\t\t&lt;li&gt;\u6781\u54c1\u98de\u8f66&lt;\/li&gt;\n\t\t\t\t\t&lt;li&gt;\u9b54\u517d&lt;\/li&gt;\n\t\t\t\t&lt;\/ul&gt;\n\n\t\t\t\t&lt;br \/&gt;\n\t\t\t\t&lt;br \/&gt;\n\n\t\t\t\t&lt;p&gt;\n\t\t\t\t\t\u4f60\u624b\u673a\u7684\u64cd\u4f5c\u7cfb\u7edf\u662f?\n\t\t\t\t&lt;\/p&gt;\n\n\t\t\t\t&lt;ul id=\"phone\"&gt;&lt;li&gt;IOS&lt;\/li&gt; &lt;li id=\"android\"&gt;Android&lt;\/li&gt;&lt;li&gt;Windows Phone&lt;\/li&gt;&lt;\/ul&gt;\n\t\t\t&lt;\/div&gt;\n\n\t\t\t&lt;div class=\"inner\"&gt;\n\t\t\t\tgender:\n\t\t\t\t&lt;input class=\"hello\" type=\"radio\" name=\"gender\" value=\"male\"\/&gt;\n\t\t\t\tMale\n\t\t\t\t&lt;input class=\"hello\" type=\"radio\" name=\"gender\" value=\"female\"\/&gt;\n\t\t\t\tFemale\n\t\t\t\t&lt;br&gt;\n\t\t\t\t&lt;br&gt;\n\t\t\t\tname:\n\t\t\t\t&lt;input type=\"text\" name=\"name\" id=\"username\" value=\"abcde\"\/&gt;\n\t\t\t&lt;\/div&gt;\n\t\t&lt;\/div&gt;\n\t\t&lt;div id=\"btnList\"&gt;\n\t\t\t&lt;div&gt;&lt;button id=\"btn01\"&gt;\u67e5\u627e#bj\u8282\u70b9&lt;\/button&gt;&lt;\/div&gt;\n\t\t\t&lt;div&gt;&lt;button id=\"btn02\"&gt;\u67e5\u627e\u6240\u6709li\u8282\u70b9&lt;\/button&gt;&lt;\/div&gt;\n\t\t\t&lt;div&gt;&lt;button id=\"btn03\"&gt;\u67e5\u627ename=gender\u7684\u6240\u6709\u8282\u70b9&lt;\/button&gt;&lt;\/div&gt;\n\t\t\t&lt;div&gt;&lt;button id=\"btn04\"&gt;\u67e5\u627e#city\u4e0b\u6240\u6709li\u8282\u70b9&lt;\/button&gt;&lt;\/div&gt;\n\t\t\t&lt;div&gt;&lt;button id=\"btn05\"&gt;\u8fd4\u56de#city\u7684\u6240\u6709\u5b50\u8282\u70b9&lt;\/button&gt;&lt;\/div&gt;\n\t\t\t&lt;div&gt;&lt;button id=\"btn06\"&gt;\u8fd4\u56de#phone\u7684\u7b2c\u4e00\u4e2a\u5b50\u8282\u70b9&lt;\/button&gt;&lt;\/div&gt;\n\t\t\t&lt;div&gt;&lt;button id=\"btn07\"&gt;\u8fd4\u56de#bj\u7684\u7236\u8282\u70b9&lt;\/button&gt;&lt;\/div&gt;\n\t\t\t&lt;div&gt;&lt;button id=\"btn08\"&gt;\u8fd4\u56de#android\u7684\u524d\u4e00\u4e2a\u5144\u5f1f\u8282\u70b9&lt;\/button&gt;&lt;\/div&gt;\n\t\t\t&lt;div&gt;&lt;button id=\"btn09\"&gt;\u8fd4\u56de#username\u7684value\u5c5e\u6027\u503c&lt;\/button&gt;&lt;\/div&gt;\n\t\t\t&lt;div&gt;&lt;button id=\"btn10\"&gt;\u8bbe\u7f6e#username\u7684value\u5c5e\u6027\u503c&lt;\/button&gt;&lt;\/div&gt;\n\t\t\t&lt;div&gt;&lt;button id=\"btn11\"&gt;\u8fd4\u56de#bj\u7684\u6587\u672c\u503c&lt;\/button&gt;&lt;\/div&gt;\n\t\t&lt;\/div&gt;\n\t&lt;\/body&gt;\n&lt;\/html&gt;\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<h1>\u5168\u9009\u7ec3\u4e60:<\/h1>\n<pre class=\"pure-highlightjs\"><code class=\"\">&lt;!DOCTYPE html PUBLIC \"-\/\/W3C\/\/DTD HTML 4.01 Transitional\/\/EN\" \"http:\/\/www.w3.org\/TR\/html4\/loose.dtd\"&gt;\n&lt;html&gt;\n&lt;head&gt;\n&lt;meta http-equiv=\"Content-Type\" content=\"text\/html; charset=UTF-8\"&gt;\n&lt;title&gt;\u5168\u9009\u7ec3\u4e60&lt;\/title&gt;\n&lt;script type=\"text\/javascript\"&gt;\n\n\twindow.onload = function(){\n\t\t\n\t\t\n\t\t\/\/\u83b7\u53d6\u56db\u4e2a\u591a\u9009\u6846items\n\t\tvar items = document.getElementsByName(\"items\");\n\t\t\/\/\u83b7\u53d6\u5168\u9009\/\u5168\u4e0d\u9009\u7684\u591a\u9009\u6846\n\t\tvar checkedAllBox = document.getElementById(\"checkedAllBox\");\n\t\t\n\t\t\/*\n\t\t * \u5168\u9009\u6309\u94ae\n\t\t * \t- \u70b9\u51fb\u6309\u94ae\u4ee5\u540e\uff0c\u56db\u4e2a\u591a\u9009\u6846\u5168\u90fd\u88ab\u9009\u4e2d\n\t\t *\/\n\t\t\n\t\t\/\/1.#checkedAllBtn\n\t\t\/\/\u4e3aid\u4e3acheckedAllBtn\u7684\u6309\u94ae\u7ed1\u5b9a\u4e00\u4e2a\u5355\u51fb\u54cd\u5e94\u51fd\u6570\n\t\tvar checkedAllBtn = document.getElementById(\"checkedAllBtn\");\n\t\tcheckedAllBtn.onclick = function(){\n\t\t\t\n\t\t\t\n\t\t\t\/\/\u904d\u5386items\n\t\t\tfor(var i=0 ; i&lt;items.length ; i++){\n\t\t\t\t\n\t\t\t\t\/\/\u901a\u8fc7\u591a\u9009\u6846\u7684checked\u5c5e\u6027\u53ef\u4ee5\u6765\u83b7\u53d6\u6216\u8bbe\u7f6e\u591a\u9009\u6846\u7684\u9009\u4e2d\u72b6\u6001\n\t\t\t\t\/\/alert(items[i].checked);\n\t\t\t\t\n\t\t\t\t\/\/\u8bbe\u7f6e\u56db\u4e2a\u591a\u9009\u6846\u53d8\u6210\u9009\u4e2d\u72b6\u6001\n\t\t\t\titems[i].checked = true;\n\t\t\t}\n\t\t\t\n\t\t\t\/\/\u5c06\u5168\u9009\/\u5168\u4e0d\u9009\u8bbe\u7f6e\u4e3a\u9009\u4e2d\n\t\t\tcheckedAllBox.checked = true;\n\t\t\t\n\t\t\t\n\t\t};\n\t\t\n\t\t\/*\n\t\t * \u5168\u4e0d\u9009\u6309\u94ae\n\t\t * \t- \u70b9\u51fb\u6309\u94ae\u4ee5\u540e\uff0c\u56db\u4e2a\u591a\u9009\u6846\u90fd\u53d8\u6210\u6ca1\u9009\u4e2d\u7684\u72b6\u6001\n\t\t *\/\n\t\t\/\/2.#checkedNoBtn\n\t\t\/\/\u4e3aid\u4e3acheckedNoBtn\u7684\u6309\u94ae\u7ed1\u5b9a\u4e00\u4e2a\u5355\u51fb\u54cd\u5e94\u51fd\u6570\n\t\tvar checkedNoBtn = document.getElementById(\"checkedNoBtn\");\n\t\tcheckedNoBtn.onclick = function(){\n\t\t\t\n\t\t\tfor(var i=0; i&lt;items.length ; i++){\n\t\t\t\t\/\/\u5c06\u56db\u4e2a\u591a\u9009\u6846\u8bbe\u7f6e\u4e3a\u6ca1\u9009\u4e2d\u7684\u72b6\u6001\n\t\t\t\titems[i].checked = false;\n\t\t\t}\n\t\t\t\n\t\t\t\/\/\u5c06\u5168\u9009\/\u5168\u4e0d\u9009\u8bbe\u7f6e\u4e3a\u4e0d\u9009\u4e2d\n\t\t\tcheckedAllBox.checked = false;\n\t\t\t\n\t\t};\n\t\t\n\t\t\/*\n\t\t * \u53cd\u9009\u6309\u94ae\n\t\t * \t- \u70b9\u51fb\u6309\u94ae\u4ee5\u540e\uff0c\u9009\u4e2d\u7684\u53d8\u6210\u6ca1\u9009\u4e2d\uff0c\u6ca1\u9009\u4e2d\u7684\u53d8\u6210\u9009\u4e2d\n\t\t *\/\n\t\t\/\/3.#checkedRevBtn\n\t\tvar checkedRevBtn = document.getElementById(\"checkedRevBtn\");\n\t\tcheckedRevBtn.onclick = function(){\n\t\t\t\n\t\t\t\/\/\u5c06checkedAllBox\u8bbe\u7f6e\u4e3a\u9009\u4e2d\u72b6\u6001\n\t\t\tcheckedAllBox.checked = true;\n\t\t\t\n\t\t\tfor(var i=0; i&lt;items.length ; i++){\n\t\t\t\t\n\t\t\t\t\/\/\u5224\u65ad\u591a\u9009\u6846\u72b6\u6001\n\t\t\t\t\/*if(items[i].checked){\n\t\t\t\t\t\/\/\u8bc1\u660e\u591a\u9009\u6846\u5df2\u9009\u4e2d\uff0c\u5219\u8bbe\u7f6e\u4e3a\u6ca1\u9009\u4e2d\u72b6\u6001\n\t\t\t\t\titems[i].checked = false;\n\t\t\t\t}else{\n\t\t\t\t\t\/\/\u8bc1\u660e\u591a\u9009\u6846\u6ca1\u9009\u4e2d\uff0c\u5219\u8bbe\u7f6e\u4e3a\u9009\u4e2d\u72b6\u6001\n\t\t\t\t\titems[i].checked = true;\n\t\t\t\t}*\/\n\t\t\t\t\n\t\t\t\titems[i].checked = !items[i].checked;\n\t\t\t\t\n\t\t\t\t\/\/\u5224\u65ad\u56db\u4e2a\u591a\u9009\u6846\u662f\u5426\u5168\u9009\n\t\t\t\t\/\/\u53ea\u8981\u6709\u4e00\u4e2a\u6ca1\u9009\u4e2d\u5219\u5c31\u4e0d\u662f\u5168\u9009\n\t\t\t\tif(!items[i].checked){\n\t\t\t\t\t\/\/\u4e00\u65e6\u8fdb\u5165\u5224\u65ad\uff0c\u5219\u8bc1\u660e\u4e0d\u662f\u5168\u9009\u72b6\u6001\n\t\t\t\t\t\/\/\u5c06checkedAllBox\u8bbe\u7f6e\u4e3a\u6ca1\u9009\u4e2d\u72b6\u6001\n\t\t\t\t\tcheckedAllBox.checked = false;\n\t\t\t\t}\n\t\t\t}\n\t\t\t\n\t\t\t\/\/\u5728\u53cd\u9009\u65f6\u4e5f\u9700\u8981\u5224\u65ad\u56db\u4e2a\u591a\u9009\u6846\u662f\u5426\u5168\u90fd\u9009\u4e2d\n\t\t\t\n\t\t\t\n\t\t\t\n\t\t};\n\t\t\n\t\t\/*\n\t\t * \u63d0\u4ea4\u6309\u94ae\uff1a\n\t\t * \t- \u70b9\u51fb\u6309\u94ae\u4ee5\u540e\uff0c\u5c06\u6240\u6709\u9009\u4e2d\u7684\u591a\u9009\u6846\u7684value\u5c5e\u6027\u503c\u5f39\u51fa\n\t\t *\/\n\t\t\/\/4.#sendBtn\n\t\t\/\/\u4e3asendBtn\u7ed1\u5b9a\u5355\u51fb\u54cd\u5e94\u51fd\u6570\n\t\tvar sendBtn = document.getElementById(\"sendBtn\");\n\t\tsendBtn.onclick = function(){\n\t\t\t\/\/\u904d\u5386items\n\t\t\tfor(var i=0 ; i&lt;items.length ; i++){\n\t\t\t\t\/\/\u5224\u65ad\u591a\u9009\u6846\u662f\u5426\u9009\u4e2d\n\t\t\t\tif(items[i].checked){\n\t\t\t\t\talert(items[i].value);\n\t\t\t\t}\n\t\t\t}\n\t\t};\n\t\t\n\t\t\n\t\t\/\/5.#checkedAllBox\n\t\t\/*\n\t\t * \u5168\u9009\/\u5168\u4e0d\u9009 \u591a\u9009\u6846\n\t\t * \t- \u5f53\u5b83\u9009\u4e2d\u65f6\uff0c\u5176\u4f59\u7684\u4e5f\u9009\u4e2d\uff0c\u5f53\u5b83\u53d6\u6d88\u65f6\u5176\u4f59\u7684\u4e5f\u53d6\u6d88\n\t\t * \n\t\t * \u5728\u4e8b\u4ef6\u7684\u54cd\u5e94\u51fd\u6570\u4e2d\uff0c\u54cd\u5e94\u51fd\u6570\u662f\u7ed9\u8c01\u7ed1\u5b9a\u7684this\u5c31\u662f\u8c01\n\t\t *\/\n\t\t\/\/\u4e3acheckedAllBox\u7ed1\u5b9a\u5355\u51fb\u54cd\u5e94\u51fd\u6570\n\t\tcheckedAllBox.onclick = function(){\n\t\t\t\n\t\t\t\/\/alert(this === checkedAllBox);\n\t\t\t\n\t\t\t\/\/\u8bbe\u7f6e\u591a\u9009\u6846\u7684\u9009\u4e2d\u72b6\u6001\n\t\t\tfor(var i=0; i &lt;items.length ; i++){\n\t\t\t\titems[i].checked = this.checked;\n\t\t\t}\n\t\t\t\n\t\t};\n\t\t\n\t\t\/\/6.items\n\t\t\/*\n\t\t * \u5982\u679c\u56db\u4e2a\u591a\u9009\u6846\u5168\u90fd\u9009\u4e2d\uff0c\u5219checkedAllBox\u4e5f\u5e94\u8be5\u9009\u4e2d\n\t\t * \u5982\u679c\u56db\u4e2a\u591a\u9009\u6846\u6ca1\u90fd\u9009\u4e2d\uff0c\u5219checkedAllBox\u4e5f\u4e0d\u5e94\u8be5\u9009\u4e2d\n\t\t *\/\n\t\t\n\t\t\/\/\u4e3a\u56db\u4e2a\u591a\u9009\u6846\u5206\u522b\u7ed1\u5b9a\u70b9\u51fb\u54cd\u5e94\u51fd\u6570\n\t\tfor(var i=0 ; i&lt;items.length ; i++){\n\t\t\titems[i].onclick = function(){\n\t\t\t\t\n\t\t\t\t\/\/\u5c06checkedAllBox\u8bbe\u7f6e\u4e3a\u9009\u4e2d\u72b6\u6001\n\t\t\t\tcheckedAllBox.checked = true;\n\t\t\t\t\n\t\t\t\tfor(var j=0 ; j&lt;items.length ; j++){\n\t\t\t\t\t\/\/\u5224\u65ad\u56db\u4e2a\u591a\u9009\u6846\u662f\u5426\u5168\u9009\n\t\t\t\t\t\/\/\u53ea\u8981\u6709\u4e00\u4e2a\u6ca1\u9009\u4e2d\u5219\u5c31\u4e0d\u662f\u5168\u9009\n\t\t\t\t\tif(!items[j].checked){\n\t\t\t\t\t\t\/\/\u4e00\u65e6\u8fdb\u5165\u5224\u65ad\uff0c\u5219\u8bc1\u660e\u4e0d\u662f\u5168\u9009\u72b6\u6001\n\t\t\t\t\t\t\/\/\u5c06checkedAllBox\u8bbe\u7f6e\u4e3a\u6ca1\u9009\u4e2d\u72b6\u6001\n\t\t\t\t\t\tcheckedAllBox.checked = false;\n\t\t\t\t\t\t\/\/\u4e00\u65e6\u8fdb\u5165\u5224\u65ad\uff0c\u5219\u5df2\u7ecf\u5f97\u51fa\u7ed3\u679c\uff0c\u4e0d\u7528\u518d\u7ee7\u7eed\u6267\u884c\u5faa\u73af\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t\t\n\t\t\t\t}\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t};\n\t\t}\n\t\t\n\t\t\n\t};\n\t\n&lt;\/script&gt;\n&lt;\/head&gt;\n&lt;body&gt;\n\n\t&lt;form method=\"post\" action=\"\"&gt;\n\t\t\u4f60\u7231\u597d\u7684\u8fd0\u52a8\u662f\uff1f&lt;input type=\"checkbox\" id=\"checkedAllBox\" \/&gt;\u5168\u9009\/\u5168\u4e0d\u9009 \n\t\t\n\t\t&lt;br \/&gt;\n\t\t&lt;input type=\"checkbox\" name=\"items\" value=\"\u8db3\u7403\" \/&gt;\u8db3\u7403\n\t\t&lt;input type=\"checkbox\" name=\"items\" value=\"\u7bee\u7403\" \/&gt;\u7bee\u7403\n\t\t&lt;input type=\"checkbox\" name=\"items\" value=\"\u7fbd\u6bdb\u7403\" \/&gt;\u7fbd\u6bdb\u7403\n\t\t&lt;input type=\"checkbox\" name=\"items\" value=\"\u4e52\u4e53\u7403\" \/&gt;\u4e52\u4e53\u7403\n\t\t&lt;br \/&gt;\n\t\t&lt;input type=\"button\" id=\"checkedAllBtn\" value=\"\u5168\u3000\u9009\" \/&gt;\n\t\t&lt;input type=\"button\" id=\"checkedNoBtn\" value=\"\u5168\u4e0d\u9009\" \/&gt;\n\t\t&lt;input type=\"button\" id=\"checkedRevBtn\" value=\"\u53cd\u3000\u9009\" \/&gt;\n\t\t&lt;input type=\"button\" id=\"sendBtn\" value=\"\u63d0\u3000\u4ea4\" \/&gt;\n\t&lt;\/form&gt;\n&lt;\/body&gt;\n&lt;\/html&gt;<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<h1>dom\u67e5\u8be2\u7684\u5176\u4ed6\u7684\u65b9\u6cd5\uff1a<\/h1>\n<pre class=\"pure-highlightjs\"><code class=\"\">&lt;!DOCTYPE html&gt;\n&lt;html&gt;\n\t&lt;head&gt;\n\t\t&lt;meta charset=\"UTF-8\"&gt;\n\t\t&lt;title&gt;&lt;\/title&gt;\n\t\t&lt;script type=\"text\/javascript\"&gt;\n\t\t\t\n\t\t\twindow.onload = function(){\n\t\t\t\t\n\t\t\t\t\/\/\u83b7\u53d6body\u6807\u7b7e\n\t\t\t\t\/\/var body = document.getElementsByTagName(\"body\")[0];\n\t\t\t\t\n\t\t\t\t\/*\n\t\t\t\t * \u5728document\u4e2d\u6709\u4e00\u4e2a\u5c5e\u6027body\uff0c\u5b83\u4fdd\u5b58\u7684\u662fbody\u7684\u5f15\u7528\n\t\t\t\t *\/\n\t\t\t\tvar body = document.body;\n\t\t\t\t\n\t\t\t\t\/*\n\t\t\t\t * document.documentElement\u4fdd\u5b58\u7684\u662fhtml\u6839\u6807\u7b7e\n\t\t\t\t *\/\n\t\t\t\tvar html = document.documentElement;\n\t\t\t\t\n\t\t\t\t\/\/console.log(html);\n\t\t\t\t\n\t\t\t\t\/*\n\t\t\t\t * document.all\u4ee3\u8868\u9875\u9762\u4e2d\u6240\u6709\u7684\u5143\u7d20\n\t\t\t\t *\/\n\t\t\t\tvar all = document.all;\n\t\t\t\t\n\t\t\t\t\/\/console.log(all.length);\n\t\t\t\t\n\t\t\t\t\/*for(var i=0 ; i&lt;all.length ; i++){\n\t\t\t\t\tconsole.log(all[i]);\n\t\t\t\t}*\/\n\t\t\t\t\n\t\t\t\t\/\/all = document.getElementsByTagName(\"*\");\n\t\t\t\t\/\/console.log(all.length);\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\/*\n\t\t\t\t * \u6839\u636e\u5143\u7d20\u7684class\u5c5e\u6027\u503c\u67e5\u8be2\u4e00\u7ec4\u5143\u7d20\u8282\u70b9\u5bf9\u8c61\n\t\t\t\t * getElementsByClassName()\u53ef\u4ee5\u6839\u636eclass\u5c5e\u6027\u503c\u83b7\u53d6\u4e00\u7ec4\u5143\u7d20\u8282\u70b9\u5bf9\u8c61\uff0c\n\t\t\t\t * \t\u4f46\u662f\u8be5\u65b9\u6cd5\u4e0d\u652f\u6301IE8\u53ca\u4ee5\u4e0b\u7684\u6d4f\u89c8\u5668\n\t\t\t\t *\/\n\t\t\t\t\/\/var box1 = document.getElementsByClassName(\"box1\");\n\t\t\t\t\/\/console.log(box1.length);\n\t\t\t\t\n\t\t\t\t\/\/\u83b7\u53d6\u9875\u9762\u4e2d\u7684\u6240\u6709\u7684div\n\t\t\t\t\/\/var divs = document.getElementsByTagName(\"div\");\n\t\t\t\t\n\t\t\t\t\/\/\u83b7\u53d6class\u4e3abox1\u4e2d\u7684\u6240\u6709\u7684div\n\t\t\t\t\/\/.box1 div\n\t\t\t\t\/*\n\t\t\t\t * document.querySelector()\n\t\t\t\t * \t- \u9700\u8981\u4e00\u4e2a\u9009\u62e9\u5668\u7684\u5b57\u7b26\u4e32\u4f5c\u4e3a\u53c2\u6570\uff0c\u53ef\u4ee5\u6839\u636e\u4e00\u4e2aCSS\u9009\u62e9\u5668\u6765\u67e5\u8be2\u4e00\u4e2a\u5143\u7d20\u8282\u70b9\u5bf9\u8c61\n\t\t\t\t * \t- \u867d\u7136IE8\u4e2d\u6ca1\u6709getElementsByClassName()\u4f46\u662f\u53ef\u4ee5\u4f7f\u7528querySelector()\u4ee3\u66ff\n\t\t\t\t * \t- \u4f7f\u7528\u8be5\u65b9\u6cd5\u603b\u4f1a\u8fd4\u56de\u552f\u4e00\u7684\u4e00\u4e2a\u5143\u7d20\uff0c\u5982\u679c\u6ee1\u8db3\u6761\u4ef6\u7684\u5143\u7d20\u6709\u591a\u4e2a\uff0c\u90a3\u4e48\u5b83\u53ea\u4f1a\u8fd4\u56de\u7b2c\u4e00\u4e2a\n\t\t\t\t *\/\n\t\t\t\tvar div = document.querySelector(\".box1 div\");\n\t\t\t\t\n\t\t\t\tvar box1 = document.querySelector(\".box1\")\n\t\t\t\t\n\t\t\t\t\/\/console.log(div.innerHTML);\n\t\t\t\t\/\/console.log(box1.innerHTML);\n\t\t\t\t\n\t\t\t\t\/*\n\t\t\t\t * document.querySelectorAll()\n\t\t\t\t * \t- \u8be5\u65b9\u6cd5\u548cquerySelector()\u7528\u6cd5\u7c7b\u4f3c\uff0c\u4e0d\u540c\u7684\u662f\u5b83\u4f1a\u5c06\u7b26\u5408\u6761\u4ef6\u7684\u5143\u7d20\u5c01\u88c5\u5230\u4e00\u4e2a\u6570\u7ec4\u4e2d\u8fd4\u56de\n\t\t\t\t * \t- \u5373\u4f7f\u7b26\u5408\u6761\u4ef6\u7684\u5143\u7d20\u53ea\u6709\u4e00\u4e2a\uff0c\u5b83\u4e5f\u4f1a\u8fd4\u56de\u6570\u7ec4\n\t\t\t\t *\/\n\t\t\t\tbox1 = document.querySelectorAll(\".box1\");\n\t\t\t\tbox1 = document.querySelectorAll(\"#box2\");\n\t\t\t\tconsole.log(box1);\n\t\t\t\t\n\t\t\t};\n\t\t\t\n\t\t\t\n\t\t&lt;\/script&gt;\n\t&lt;\/head&gt;\n\t&lt;body&gt;\n\t\t&lt;div id=\"box2\"&gt;&lt;\/div&gt;\t\n\t\t&lt;div class=\"box1\"&gt;\n\t\t\t\u6211\u662f\u7b2c\u4e00\u4e2abox1\t \n\t\t\t&lt;div&gt;\u6211\u662fbox1\u4e2d\u7684div&lt;\/div&gt;\n\t\t&lt;\/div&gt;\n\t\t&lt;div class=\"box1\"&gt;\n\t\t\t&lt;div&gt;\u6211\u662fbox1\u4e2d\u7684div&lt;\/div&gt;\n\t\t&lt;\/div&gt;\n\t\t&lt;div class=\"box1\"&gt;\n\t\t\t&lt;div&gt;\u6211\u662fbox1\u4e2d\u7684div&lt;\/div&gt;\n\t\t&lt;\/div&gt;\n\t\t&lt;div class=\"box1\"&gt;\n\t\t\t&lt;div&gt;\u6211\u662fbox1\u4e2d\u7684div&lt;\/div&gt;\n\t\t&lt;\/div&gt;\n\t\t\n\t\t&lt;div&gt;&lt;\/div&gt;\n\t&lt;\/body&gt;\n&lt;\/html&gt;\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<h1>dom\u589e\u5220\u6539\uff1a<\/h1>\n<pre class=\"pure-highlightjs\"><code class=\"\">&lt;!DOCTYPE HTML PUBLIC \"-\/\/W3C\/\/DTD HTML 4.01\/\/EN\" \"http:\/\/www.w3.org\/TR\/html4\/strict.dtd\"&gt;\n&lt;html&gt;\n\t&lt;head&gt;\n\t\t&lt;meta http-equiv=\"Content-Type\" content=\"text\/html; charset=UTF-8\"&gt;\n\t\t&lt;title&gt;Untitled Document&lt;\/title&gt;\n\t\t&lt;link rel=\"stylesheet\" type=\"text\/css\" href=\"style\/css.css\" \/&gt;\n\t\t&lt;script type=\"text\/javascript\"&gt;\n\t\t\n\t\t\twindow.onload = function() {\n\t\t\t\t\n\t\t\t\t\/\/\u521b\u5efa\u4e00\u4e2a\"\u5e7f\u5dde\"\u8282\u70b9,\u6dfb\u52a0\u5230#city\u4e0b\n\t\t\t\tmyClick(\"btn01\",function(){\n\t\t\t\t\t\/\/\u521b\u5efa\u5e7f\u5dde\u8282\u70b9 &lt;li&gt;\u5e7f\u5dde&lt;\/li&gt;\n\t\t\t\t\t\/\/\u521b\u5efali\u5143\u7d20\u8282\u70b9\n\t\t\t\t\t\/*\n\t\t\t\t\t * document.createElement()\n\t\t\t\t\t * \t\u53ef\u4ee5\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u5143\u7d20\u8282\u70b9\u5bf9\u8c61\uff0c\n\t\t\t\t\t * \t\u5b83\u9700\u8981\u4e00\u4e2a\u6807\u7b7e\u540d\u4f5c\u4e3a\u53c2\u6570\uff0c\u5c06\u4f1a\u6839\u636e\u8be5\u6807\u7b7e\u540d\u521b\u5efa\u5143\u7d20\u8282\u70b9\u5bf9\u8c61\uff0c\n\t\t\t\t\t * \t\u5e76\u5c06\u521b\u5efa\u597d\u7684\u5bf9\u8c61\u4f5c\u4e3a\u8fd4\u56de\u503c\u8fd4\u56de\n\t\t\t\t\t *\/\n\t\t\t\t\tvar li = document.createElement(\"li\");\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u521b\u5efa\u5e7f\u5dde\u6587\u672c\u8282\u70b9\n\t\t\t\t\t\/*\n\t\t\t\t\t * document.createTextNode()\n\t\t\t\t\t * \t\u53ef\u4ee5\u7528\u6765\u521b\u5efa\u4e00\u4e2a\u6587\u672c\u8282\u70b9\u5bf9\u8c61\n\t\t\t\t\t *  \u9700\u8981\u4e00\u4e2a\u6587\u672c\u5185\u5bb9\u4f5c\u4e3a\u53c2\u6570\uff0c\u5c06\u4f1a\u6839\u636e\u8be5\u5185\u5bb9\u521b\u5efa\u6587\u672c\u8282\u70b9\uff0c\u5e76\u5c06\u65b0\u7684\u8282\u70b9\u8fd4\u56de\n\t\t\t\t\t *\/\n\t\t\t\t\tvar gzText = document.createTextNode(\"\u5e7f\u5dde\");\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u5c06gzText\u8bbe\u7f6eli\u7684\u5b50\u8282\u70b9\n\t\t\t\t\t\/*\n\t\t\t\t\t * appendChild()\n\t\t\t\t\t * \t - \u5411\u4e00\u4e2a\u7236\u8282\u70b9\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u5b50\u8282\u70b9\n\t\t\t\t\t * \t - \u7528\u6cd5\uff1a\u7236\u8282\u70b9.appendChild(\u5b50\u8282\u70b9);\n\t\t\t\t\t *\/\n\t\t\t\t\tli.appendChild(gzText);\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u83b7\u53d6id\u4e3acity\u7684\u8282\u70b9\n\t\t\t\t\tvar city = document.getElementById(\"city\");\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u5c06\u5e7f\u5dde\u6dfb\u52a0\u5230city\u4e0b\n\t\t\t\t\tcity.appendChild(li);\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t});\n\t\t\t\t\n\t\t\t\t\/\/\u5c06\"\u5e7f\u5dde\"\u8282\u70b9\u63d2\u5165\u5230#bj\u524d\u9762\n\t\t\t\tmyClick(\"btn02\",function(){\n\t\t\t\t\t\/\/\u521b\u5efa\u4e00\u4e2a\u5e7f\u5dde\n\t\t\t\t\tvar li = document.createElement(\"li\");\n\t\t\t\t\tvar gzText = document.createTextNode(\"\u5e7f\u5dde\");\n\t\t\t\t\tli.appendChild(gzText);\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u83b7\u53d6id\u4e3abj\u7684\u8282\u70b9\n\t\t\t\t\tvar bj = document.getElementById(\"bj\");\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u83b7\u53d6city\n\t\t\t\t\tvar city = document.getElementById(\"city\");\n\t\t\t\t\t\n\t\t\t\t\t\/*\n\t\t\t\t\t * insertBefore()\n\t\t\t\t\t * \t- \u53ef\u4ee5\u5728\u6307\u5b9a\u7684\u5b50\u8282\u70b9\u524d\u63d2\u5165\u65b0\u7684\u5b50\u8282\u70b9\n\t\t\t\t\t *  - \u8bed\u6cd5\uff1a\n\t\t\t\t\t * \t\t\u7236\u8282\u70b9.insertBefore(\u65b0\u8282\u70b9,\u65e7\u8282\u70b9);\n\t\t\t\t\t *\/\n\t\t\t\t\tcity.insertBefore(li , bj);\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t});\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\/\/\u4f7f\u7528\"\u5e7f\u5dde\"\u8282\u70b9\u66ff\u6362#bj\u8282\u70b9\n\t\t\t\tmyClick(\"btn03\",function(){\n\t\t\t\t\t\/\/\u521b\u5efa\u4e00\u4e2a\u5e7f\u5dde\n\t\t\t\t\tvar li = document.createElement(\"li\");\n\t\t\t\t\tvar gzText = document.createTextNode(\"\u5e7f\u5dde\");\n\t\t\t\t\tli.appendChild(gzText);\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u83b7\u53d6id\u4e3abj\u7684\u8282\u70b9\n\t\t\t\t\tvar bj = document.getElementById(\"bj\");\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u83b7\u53d6city\n\t\t\t\t\tvar city = document.getElementById(\"city\");\n\t\t\t\t\t\n\t\t\t\t\t\/*\n\t\t\t\t\t * replaceChild()\n\t\t\t\t\t * \t- \u53ef\u4ee5\u4f7f\u7528\u6307\u5b9a\u7684\u5b50\u8282\u70b9\u66ff\u6362\u5df2\u6709\u7684\u5b50\u8282\u70b9\n\t\t\t\t\t * \t- \u8bed\u6cd5\uff1a\u7236\u8282\u70b9.replaceChild(\u65b0\u8282\u70b9,\u65e7\u8282\u70b9);\n\t\t\t\t\t *\/\n\t\t\t\t\tcity.replaceChild(li , bj);\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t});\n\t\t\t\t\n\t\t\t\t\/\/\u5220\u9664#bj\u8282\u70b9\n\t\t\t\tmyClick(\"btn04\",function(){\n\t\t\t\t\t\/\/\u83b7\u53d6id\u4e3abj\u7684\u8282\u70b9\n\t\t\t\t\tvar bj = document.getElementById(\"bj\");\n\t\t\t\t\t\/\/\u83b7\u53d6city\n\t\t\t\t\tvar city = document.getElementById(\"city\");\n\t\t\t\t\t\n\t\t\t\t\t\/*\n\t\t\t\t\t * removeChild()\n\t\t\t\t\t * \t- \u53ef\u4ee5\u5220\u9664\u4e00\u4e2a\u5b50\u8282\u70b9\n\t\t\t\t\t * \t- \u8bed\u6cd5\uff1a\u7236\u8282\u70b9.removeChild(\u5b50\u8282\u70b9);\n\t\t\t\t\t * \t\t\n\t\t\t\t\t * \t\t\u5b50\u8282\u70b9.parentNode.removeChild(\u5b50\u8282\u70b9);\n\t\t\t\t\t *\/\n\t\t\t\t\t\/\/city.removeChild(bj);\n\t\t\t\t\t\n\t\t\t\t\tbj.parentNode.removeChild(bj);\n\t\t\t\t});\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\/\/\u8bfb\u53d6#city\u5185\u7684HTML\u4ee3\u7801\n\t\t\t\tmyClick(\"btn05\",function(){\n\t\t\t\t\t\/\/\u83b7\u53d6city\n\t\t\t\t\tvar city = document.getElementById(\"city\");\n\t\t\t\t\t\n\t\t\t\t\talert(city.innerHTML);\n\t\t\t\t});\n\t\t\t\t\n\t\t\t\t\/\/\u8bbe\u7f6e#bj\u5185\u7684HTML\u4ee3\u7801\n\t\t\t\tmyClick(\"btn06\" , function(){\n\t\t\t\t\t\/\/\u83b7\u53d6bj\n\t\t\t\t\tvar bj = document.getElementById(\"bj\");\n\t\t\t\t\tbj.innerHTML = \"\u660c\u5e73\";\n\t\t\t\t});\n\t\t\t\t\n\t\t\t\tmyClick(\"btn07\",function(){\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u5411city\u4e2d\u6dfb\u52a0\u5e7f\u5dde\n\t\t\t\t\tvar city = document.getElementById(\"city\");\n\t\t\t\t\t\n\t\t\t\t\t\/*\n\t\t\t\t\t * \u4f7f\u7528innerHTML\u4e5f\u53ef\u4ee5\u5b8c\u6210DOM\u7684\u589e\u5220\u6539\u7684\u76f8\u5173\u64cd\u4f5c\n\t\t\t\t\t * \u4e00\u822c\u6211\u4eec\u4f1a\u4e24\u79cd\u65b9\u5f0f\u7ed3\u5408\u4f7f\u7528\n\t\t\t\t\t *\/\n\t\t\t\t\t\/\/city.innerHTML += \"&lt;li&gt;\u5e7f\u5dde&lt;\/li&gt;\";\n\t\t\t\t\t\n\t\t\t\t\t\/\/\u521b\u5efa\u4e00\u4e2ali\n\t\t\t\t\tvar li = document.createElement(\"li\");\n\t\t\t\t\t\/\/\u5411li\u4e2d\u8bbe\u7f6e\u6587\u672c\n\t\t\t\t\tli.innerHTML = \"\u5e7f\u5dde\";\n\t\t\t\t\t\/\/\u5c06li\u6dfb\u52a0\u5230city\u4e2d\n\t\t\t\t\tcity.appendChild(li);\n\t\t\t\t\t\n\t\t\t\t});\n\t\t\t\t\n\t\t\t\t\n\t\t\t};\n\t\t\t\n\t\t\tfunction myClick(idStr, fun) {\n\t\t\t\tvar btn = document.getElementById(idStr);\n\t\t\t\tbtn.onclick = fun;\n\t\t\t}\n\t\t\t\n\t\t\n\t\t&lt;\/script&gt;\n\t\t\n\t&lt;\/head&gt;\n\t&lt;body&gt;\n\t\t&lt;div id=\"total\"&gt;\n\t\t\t&lt;div class=\"inner\"&gt;\n\t\t\t\t&lt;p&gt;\n\t\t\t\t\t\u4f60\u559c\u6b22\u54ea\u4e2a\u57ce\u5e02?\n\t\t\t\t&lt;\/p&gt;\n\n\t\t\t\t&lt;ul id=\"city\"&gt;\n\t\t\t\t\t&lt;li id=\"bj\"&gt;\u5317\u4eac&lt;\/li&gt;\n\t\t\t\t\t&lt;li&gt;\u4e0a\u6d77&lt;\/li&gt;\n\t\t\t\t\t&lt;li&gt;\u4e1c\u4eac&lt;\/li&gt;\n\t\t\t\t\t&lt;li&gt;\u9996\u5c14&lt;\/li&gt;\n\t\t\t\t&lt;\/ul&gt;\n\t\t\t\t\n\t\t\t&lt;\/div&gt;\n\t\t&lt;\/div&gt;\n\t\t&lt;div id=\"btnList\"&gt;\n\t\t\t&lt;div&gt;&lt;button id=\"btn01\"&gt;\u521b\u5efa\u4e00\u4e2a\"\u5e7f\u5dde\"\u8282\u70b9,\u6dfb\u52a0\u5230#city\u4e0b&lt;\/button&gt;&lt;\/div&gt;\n\t\t\t&lt;div&gt;&lt;button id=\"btn02\"&gt;\u5c06\"\u5e7f\u5dde\"\u8282\u70b9\u63d2\u5165\u5230#bj\u524d\u9762&lt;\/button&gt;&lt;\/div&gt;\n\t\t\t&lt;div&gt;&lt;button id=\"btn03\"&gt;\u4f7f\u7528\"\u5e7f\u5dde\"\u8282\u70b9\u66ff\u6362#bj\u8282\u70b9&lt;\/button&gt;&lt;\/div&gt;\n\t\t\t&lt;div&gt;&lt;button id=\"btn04\"&gt;\u5220\u9664#bj\u8282\u70b9&lt;\/button&gt;&lt;\/div&gt;\n\t\t\t&lt;div&gt;&lt;button id=\"btn05\"&gt;\u8bfb\u53d6#city\u5185\u7684HTML\u4ee3\u7801&lt;\/button&gt;&lt;\/div&gt;\n\t\t\t&lt;div&gt;&lt;button id=\"btn06\"&gt;\u8bbe\u7f6e#bj\u5185\u7684HTML\u4ee3\u7801&lt;\/button&gt;&lt;\/div&gt;\n\t\t\t&lt;div&gt;&lt;button id=\"btn07\"&gt;\u521b\u5efa\u4e00\u4e2a\"\u5e7f\u5dde\"\u8282\u70b9,\u6dfb\u52a0\u5230#city\u4e0b&lt;\/button&gt;&lt;\/div&gt;\n\t\t&lt;\/div&gt;\n\t&lt;\/body&gt;\n&lt;\/html&gt;\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>dom\u67e5\u8be2: &lt;!DOCTYPE HTML PUBLIC &#8220;-\/\/W3C\/\/DTD HTML 4.01\/\/EN&#8221; &#822","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[4],"_links":{"self":[{"href":"https:\/\/blog.viter.top\/index.php\/wp-json\/wp\/v2\/posts\/364"}],"collection":[{"href":"https:\/\/blog.viter.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.viter.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.viter.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.viter.top\/index.php\/wp-json\/wp\/v2\/comments?post=364"}],"version-history":[{"count":0,"href":"https:\/\/blog.viter.top\/index.php\/wp-json\/wp\/v2\/posts\/364\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.viter.top\/index.php\/wp-json\/wp\/v2\/media?parent=364"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.viter.top\/index.php\/wp-json\/wp\/v2\/categories?post=364"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.viter.top\/index.php\/wp-json\/wp\/v2\/tags?post=364"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}