{"id":352,"date":"2020-02-04T22:58:22","date_gmt":"2020-02-04T14:58:22","guid":{"rendered":"https:\/\/blog.cqdefxxx.com\/?p=352"},"modified":"2020-02-04T22:58:22","modified_gmt":"2020-02-04T14:58:22","slug":"%e5%8c%85%e8%a3%85%e7%b1%bb","status":"publish","type":"post","link":"https:\/\/blog.viter.top\/index.php\/2020\/02\/04\/%e5%8c%85%e8%a3%85%e7%b1%bb\/","title":{"rendered":"\u5305\u88c5\u7c7b"},"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 * \u57fa\u672c\u6570\u636e\u7c7b\u578b\n\t\t\t * \tString Number Boolean Null Undefined\n\t\t\t * \u5f15\u7528\u6570\u636e\u7c7b\u578b\n\t\t\t * \tObject\n\t\t\t * \n\t\t\t * \u5728JS\u4e2d\u4e3a\u6211\u4eec\u63d0\u4f9b\u4e86\u4e09\u4e2a\u5305\u88c5\u7c7b\uff0c\u901a\u8fc7\u8fd9\u4e09\u4e2a\u5305\u88c5\u7c7b\u53ef\u4ee5\u5c06\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u6570\u636e\u8f6c\u6362\u4e3a\u5bf9\u8c61\n\t\t\t * \tString()\n\t\t\t * \t\t- \u53ef\u4ee5\u5c06\u57fa\u672c\u6570\u636e\u7c7b\u578b\u5b57\u7b26\u4e32\u8f6c\u6362\u4e3aString\u5bf9\u8c61\n\t\t\t * \tNumber()\n\t\t\t * \t\t- \u53ef\u4ee5\u5c06\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u6570\u5b57\u8f6c\u6362\u4e3aNumber\u5bf9\u8c61\n\t\t\t *  Boolean()\n\t\t\t * \t\t- \u53ef\u4ee5\u5c06\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u5e03\u5c14\u503c\u8f6c\u6362\u4e3aBoolean\u5bf9\u8c61\n\t\t\t * \t\u4f46\u662f\u6ce8\u610f\uff1a\u6211\u4eec\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\u4e0d\u4f1a\u4f7f\u7528\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u5bf9\u8c61\uff0c\n\t\t\t * \t\t\u5982\u679c\u4f7f\u7528\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u5bf9\u8c61\uff0c\u5728\u505a\u4e00\u4e9b\u6bd4\u8f83\u65f6\u53ef\u80fd\u4f1a\u5e26\u6765\u4e00\u4e9b\u4e0d\u53ef\u9884\u671f\u7684\u7ed3\u679c\n\t\t\t *\/\n\t\t\t\n\t\t\t\/\/\u521b\u5efa\u4e00\u4e2aNumber\u7c7b\u578b\u7684\u5bf9\u8c61\n\t\t\t\/\/num = 3;\n\t\t\tvar num = new Number(3);\n\t\t\tvar num2 = new Number(3);\n\t\t\tvar str = new String(\"hello\");\n\t\t\tvar str2 = new String(\"hello\");\n\t\t\tvar bool = new Boolean(true);\n\t\t\tvar bool2 = true;\n\t\t\t\n\t\t\t\/\/\u5411num\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u5c5e\u6027\n\t\t\tnum.hello = \"abcdefg\";\n\t\t\t\n\t\t\t\/\/console.log(str === str2);\n\t\t\t\n\t\t\tvar b = new Boolean(false);\n\t\t\t\n\t\t\t\/*if(b){\n\t\t\t\talert(\"\u6211\u8fd0\u884c\u4e86~~~\");\n\t\t\t}*\/\n\t\t\t\n\t\t\t\/*\n\t\t\t * \u65b9\u6cd5\u548c\u5c5e\u6027\u4e4b\u80fd\u6dfb\u52a0\u7ed9\u5bf9\u8c61\uff0c\u4e0d\u80fd\u6dfb\u52a0\u7ed9\u57fa\u672c\u6570\u636e\u7c7b\u578b\n\t\t\t * \t\u5f53\u6211\u4eec\u5bf9\u4e00\u4e9b\u57fa\u672c\u6570\u636e\u7c7b\u578b\u7684\u503c\u53bb\u8c03\u7528\u5c5e\u6027\u548c\u65b9\u6cd5\u65f6\uff0c\n\t\t\t * \t\t\u6d4f\u89c8\u5668\u4f1a\u4e34\u65f6\u4f7f\u7528\u5305\u88c5\u7c7b\u5c06\u5176\u8f6c\u6362\u4e3a\u5bf9\u8c61\uff0c\u7136\u540e\u5728\u8c03\u7528\u5bf9\u8c61\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\n\t\t\t * \t\t\u8c03\u7528\u5b8c\u4ee5\u540e\uff0c\u5728\u5c06\u5176\u8f6c\u6362\u4e3a\u57fa\u672c\u6570\u636e\u7c7b\u578b\n\t\t\t *\/\n\t\t\tvar s = 123;\n\t\t\t\n\t\t\ts = s.toString();\n\t\t\t\n\t\t\ts.hello = \"\u4f60\u597d\";\n\t\t\t\n\t\t\tconsole.log(s.hello);\n\t\t\t\/\/console.log(typeof s);\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&lt;\/body&gt;\n&lt;\/html&gt;\n<\/code><\/pre>\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\/352"}],"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=352"}],"version-history":[{"count":0,"href":"https:\/\/blog.viter.top\/index.php\/wp-json\/wp\/v2\/posts\/352\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.viter.top\/index.php\/wp-json\/wp\/v2\/media?parent=352"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.viter.top\/index.php\/wp-json\/wp\/v2\/categories?post=352"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.viter.top\/index.php\/wp-json\/wp\/v2\/tags?post=352"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}