{"id":303,"date":"2020-02-04T21:09:01","date_gmt":"2020-02-04T13:09:01","guid":{"rendered":"https:\/\/blog.cqdefxxx.com\/?p=303"},"modified":"2020-02-04T21:09:01","modified_gmt":"2020-02-04T13:09:01","slug":"%e5%87%bd%e6%95%b0%e4%b8%8e%e5%87%bd%e6%95%b0%e5%8f%82%e6%95%b0","status":"publish","type":"post","link":"https:\/\/blog.viter.top\/index.php\/2020\/02\/04\/%e5%87%bd%e6%95%b0%e4%b8%8e%e5%87%bd%e6%95%b0%e5%8f%82%e6%95%b0\/","title":{"rendered":"\u51fd\u6570\u4e0e\u51fd\u6570\u53c2\u6570"},"content":{"rendered":"<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\t\/*\n\t\t\t * \u51fd\u6570 function\n\t\t\t * \t- \u51fd\u6570\u4e5f\u662f\u4e00\u4e2a\u5bf9\u8c61\n\t\t\t * \t- \u51fd\u6570\u4e2d\u53ef\u4ee5\u5c01\u88c5\u4e00\u4e9b\u529f\u80fd\uff08\u4ee3\u7801\uff09\uff0c\u5728\u9700\u8981\u65f6\u53ef\u4ee5\u6267\u884c\u8fd9\u4e9b\u529f\u80fd\uff08\u4ee3\u7801\uff09\n\t\t\t * \t- \u51fd\u6570\u4e2d\u53ef\u4ee5\u4fdd\u5b58\u4e00\u4e9b\u4ee3\u7801\u5728\u9700\u8981\u7684\u65f6\u5019\u8c03\u7528\n\t\t\t * \t- \u4f7f\u7528typeof\u68c0\u67e5\u4e00\u4e2a\u51fd\u6570\u5bf9\u8c61\u65f6\uff0c\u4f1a\u8fd4\u56defunction\n\t\t\t *\/\n\t\t\t\n\t\t\t\/\/\u6211\u4eec\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u5f88\u5c11\u4f7f\u7528\u6784\u9020\u51fd\u6570\u6765\u521b\u5efa\u4e00\u4e2a\u51fd\u6570\u5bf9\u8c61\n\t\t\t\/\/\u521b\u5efa\u4e00\u4e2a\u51fd\u6570\u5bf9\u8c61\n\t\t\t\/\/\u53ef\u4ee5\u5c06\u8981\u5c01\u88c5\u7684\u4ee3\u7801\u4ee5\u5b57\u7b26\u4e32\u7684\u5f62\u5f0f\u4f20\u9012\u7ed9\u6784\u9020\u51fd\u6570\n\t\t\t\/\/var fun = new Function(\"console.log('Hello \u8fd9\u662f\u6211\u7684\u7b2c\u4e00\u4e2a\u51fd\u6570');\");\n\t\t\t\n\t\t\t\/\/\u5c01\u88c5\u5230\u51fd\u6570\u4e2d\u7684\u4ee3\u7801\u4e0d\u4f1a\u7acb\u5373\u6267\u884c\n\t\t\t\/\/\u51fd\u6570\u4e2d\u7684\u4ee3\u7801\u4f1a\u5728\u51fd\u6570\u8c03\u7528\u7684\u65f6\u5019\u6267\u884c\n\t\t\t\/\/\u8c03\u7528\u51fd\u6570 \u8bed\u6cd5\uff1a\u51fd\u6570\u5bf9\u8c61()\n\t\t\t\/\/\u5f53\u8c03\u7528\u51fd\u6570\u65f6\uff0c\u51fd\u6570\u4e2d\u5c01\u88c5\u7684\u4ee3\u7801\u4f1a\u6309\u7167\u987a\u5e8f\u6267\u884c\n\t\t\t\/\/fun();\n\t\t\t\n\t\t\t\/*\n\t\t\t * \u4f7f\u7528 \u51fd\u6570\u58f0\u660e \u6765\u521b\u5efa\u4e00\u4e2a\u51fd\u6570\n\t\t\t * \t\u8bed\u6cd5\uff1a\n\t\t\t * \t\tfunction \u51fd\u6570\u540d([\u5f62\u53c21,\u5f62\u53c22...\u5f62\u53c2N]){\n\t\t\t * \t\t\t\u8bed\u53e5...\n\t\t\t * \t\t}\n\t\t\t *\/\n\t\t\t\n\t\t\tfunction fun2(){\n\t\t\t\tconsole.log(\"\u8fd9\u662f\u6211\u7684\u7b2c\u4e8c\u4e2a\u51fd\u6570~~~\");\n\t\t\t\talert(\"\u54c8\u54c8\u54c8\u54c8\u54c8\");\n\t\t\t\tdocument.write(\"~~~~(&gt;_&lt;)~~~~\");\n\t\t\t}\n\t\t\t\n\t\t\t\/\/console.log(fun2);\n\t\t\t\/\/\u8c03\u7528fun2\n\t\t\t\/\/fun2();\n\t\t\t\n\t\t\t\/*\n\t\t\t * \u4f7f\u7528 \u51fd\u6570\u8868\u8fbe\u5f0f \u6765\u521b\u5efa\u4e00\u4e2a\u51fd\u6570\n\t\t\t * var \u51fd\u6570\u540d  = function([\u5f62\u53c21,\u5f62\u53c22...\u5f62\u53c2N]){\n\t\t\t * \t \u8bed\u53e5....\n\t\t\t *  }\n\t\t\t *\/\n\t\t\t\n\t\t\tvar fun3 = function(){\n\t\t\t\tconsole.log(\"\u6211\u662f\u533f\u540d\u51fd\u6570\u4e2d\u5c01\u88c5\u7684\u4ee3\u7801\");\n\t\t\t};\n\t\t\t\n\t\t\t\n\t\t\tfun3();\n\t\t\t\n\t\t&lt;\/script&gt;\n\t&lt;\/head&gt;\n\t&lt;body&gt;\n\t&lt;\/body&gt;\n&lt;\/html&gt;\n<\/code><\/pre>\n<p>&nbsp;<\/p>\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\t\/*\n\t\t\t * \u5b9a\u4e49\u4e00\u4e2a\u7528\u6765\u6c42\u4e24\u4e2a\u6570\u548c\u7684\u51fd\u6570\n\t\t\t * \t\u53ef\u4ee5\u5728\u51fd\u6570\u7684()\u4e2d\u6765\u6307\u5b9a\u4e00\u4e2a\u6216\u591a\u4e2a\u5f62\u53c2\uff08\u5f62\u5f0f\u53c2\u6570\uff09\n\t\t\t * \t\u591a\u4e2a\u5f62\u53c2\u4e4b\u95f4\u4f7f\u7528,\u9694\u5f00\uff0c\u58f0\u660e\u5f62\u53c2\u5c31\u76f8\u5f53\u4e8e\u5728\u51fd\u6570\u5185\u90e8\u58f0\u660e\u4e86\u5bf9\u5e94\u7684\u53d8\u91cf\n\t\t\t * \t\u4f46\u662f\u5e76\u4e0d\u8d4b\u503c\n\t\t\t *\/\n\t\t\tfunction sum(a,b){\n\t\t\t\tconsole.log(\"a = \"+a);\n\t\t\t\tconsole.log(\"b = \"+b);\n\t\t\t\tconsole.log(a+b);\n\t\t\t}\n\t\t\t\n\t\t\t\/*\n\t\t\t * \u5728\u8c03\u7528\u51fd\u6570\u65f6\uff0c\u53ef\u4ee5\u5728()\u4e2d\u6307\u5b9a\u5b9e\u53c2\uff08\u5b9e\u9645\u53c2\u6570\uff09\n\t\t\t * \t\u5b9e\u53c2\u5c06\u4f1a\u8d4b\u503c\u7ed9\u51fd\u6570\u4e2d\u5bf9\u5e94\u7684\u5f62\u53c2\n\t\t\t *\/\n\t\t\t\/*sum(1,2);\n\t\t\tsum(123,456);*\/\n\t\t\t\n\t\t\t\/*\n\t\t\t * \u8c03\u7528\u51fd\u6570\u65f6\u89e3\u6790\u5668\u4e0d\u4f1a\u68c0\u67e5\u5b9e\u53c2\u7684\u7c7b\u578b,\n\t\t\t * \t\u6240\u4ee5\u8981\u6ce8\u610f\uff0c\u662f\u5426\u6709\u53ef\u80fd\u4f1a\u63a5\u6536\u5230\u975e\u6cd5\u7684\u53c2\u6570\uff0c\u5982\u679c\u6709\u53ef\u80fd\u5219\u9700\u8981\u5bf9\u53c2\u6570\u8fdb\u884c\u7c7b\u578b\u7684\u68c0\u67e5\n\t\t\t * \u51fd\u6570\u7684\u5b9e\u53c2\u53ef\u4ee5\u662f\u4efb\u610f\u7684\u6570\u636e\u7c7b\u578b\n\t\t\t *\/\n\t\t\t\/\/sum(123,\"hello\");\n\t\t\t\/\/sum(true , false);\n\t\t\t\n\t\t\t\/*\n\t\t\t * \u8c03\u7528\u51fd\u6570\u65f6\uff0c\u89e3\u6790\u5668\u4e5f\u4e0d\u4f1a\u68c0\u67e5\u5b9e\u53c2\u7684\u6570\u91cf\n\t\t\t * \t\u591a\u4f59\u5b9e\u53c2\u4e0d\u4f1a\u88ab\u8d4b\u503c\n\t\t\t * \u5982\u679c\u5b9e\u53c2\u7684\u6570\u91cf\u5c11\u4e8e\u5f62\u53c2\u7684\u6570\u91cf\uff0c\u5219\u6ca1\u6709\u5bf9\u5e94\u5b9e\u53c2\u7684\u5f62\u53c2\u5c06\u662fundefined\n\t\t\t * \n\t\t\t *\/\n\t\t\t\/\/sum(123,456,\"hello\",true,null);\n\t\t\tsum(123);\n\t\t\t\n\t\t&lt;\/script&gt;\n\t&lt;\/head&gt;\n\t&lt;body&gt;\n\t&lt;\/body&gt;\n&lt;\/html&gt;\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&lt;!DOCTYPE html&gt; &lt;html&gt; &lt;head&gt; &lt;meta charset= &#8230;<\/p>","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\/303"}],"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=303"}],"version-history":[{"count":0,"href":"https:\/\/blog.viter.top\/index.php\/wp-json\/wp\/v2\/posts\/303\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.viter.top\/index.php\/wp-json\/wp\/v2\/media?parent=303"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.viter.top\/index.php\/wp-json\/wp\/v2\/categories?post=303"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.viter.top\/index.php\/wp-json\/wp\/v2\/tags?post=303"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}