{"id":4,"date":"2007-05-19T22:17:52","date_gmt":"2007-05-20T02:17:52","guid":{"rendered":"http:\/\/prglab.com\/blog\/?page_id=4"},"modified":"2009-08-10T11:16:18","modified_gmt":"2009-08-10T15:16:18","slug":"js-intro","status":"publish","type":"page","link":"https:\/\/www.prglab.com\/blog\/js-tutorial\/js-intro","title":{"rendered":"JavaScript\u7b80\u4ecb"},"content":{"rendered":"<p>JavaScript\u53ef\u4ee5\u8bf4\u662finternet\u4e0a\u6700\u6d41\u884c\u7684\u811a\u672c\u8bed\u8a00\uff0c\u5b83\u53ef\u4ee5\u5728\u5305\u62ecIE, Mozilla, Firefox, Netscape, \u548c Opera\u7684\u6240\u6709\u4e3b\u6d41\u6d4f\u89c8\u5668\u4e2d\u5de5\u4f5c\u3002<\/p>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;<br \/>\n<strong>\u8bfe\u524d\u51c6\u5907<\/strong><\/p>\n<p>\u5b66\u4e60JavaScript\u4e4b\u524d\uff0c\u4f60\u9700\u8981\u5177\u5907HTML \/ XHTML\u7684\u57fa\u672c\u77e5\u8bc6\u3002\u5982\u679c\u4e0d\u5177\u5907\uff0c\u8bf7\u5b66\u4e60\u5148\u3002<\/p>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;-<br \/>\n<strong>\u4ec0\u4e48\u662fJavaScript<\/strong><\/p>\n<ul>\n<li>JavaScript\u6700\u521d\u662f\u4e3a\u4e86\u5728HTML\u9875\u9762\u4e2d\u589e\u52a0\u4ea4\u4e92\u529f\u80fd\u800c\u8bbe\u8ba1\u7684<\/li>\n<li>JavaScript\u662f\u4e00\u79cd\u811a\u672c\u8bed\u8a00 (\u811a\u672c\u8bed\u8a00\u662f\u4e00\u79cd\u8f7b\u578b\u7f16\u7a0b\u8bed\u8a00)<\/li>\n<li>\u4e00\u4e2aJavaScript\u811a\u672c\u53ef\u5305\u542b\u591a\u884c\u53ef\u6267\u884c\u7684\u8ba1\u7b97\u673a\u4ee3\u7801<\/li>\n<li>JavaScript\u811a\u672c\u901a\u5e38\u90fd\u76f4\u63a5\u5d4c\u5165\u5728HTML\u9875\u9762\u91cc\uff0c\u4e5f\u6709\u65f6\u662f\u5199\u5728\u5355\u72ec\u7684\u6587\u4ef6\u91cc<\/li>\n<li>JavaScript\u662f\u4e00\u79cd\u89e3\u91ca\u578b\u8bed\u8a00(\u8fd9\u5c31\u610f\u5473\u7740\u811a\u672c\u6267\u884c\u65f6\u4e0d\u9700\u8981\u9884\u7f16\u8bd1)<\/li>\n<li>\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u4f7f\u7528JavaScript\uff0c\u65e0\u9700\u8bb8\u53ef<\/li>\n<\/ul>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;<br \/>\n<strong>Java\u548cJavaScript\u662f\u4e00\u56de\u4e8b\u5417\uff1f<\/strong><\/p>\n<p>\u4e0d\u662f!<\/p>\n<p>Java \u548c JavaScript \u65e0\u8bba\u4ece\u6982\u5ff5\u8fd8\u662f\u8bbe\u8ba1\u4e0a\u6765\u8bf4\u90fd\u662f\u4e24\u79cd\u5b8c\u5168\u4e0d\u540c\u7684\u8bed\u8a00\uff01<\/p>\n<p>Java (\u7531Sun Microsystems\u516c\u53f8\u5f00\u53d1) \u662f\u4e00\u79cd\u5f3a\u5927\u548c\u66f4\u4e3a\u590d\u6742\u7684\u7f16\u7a0b\u8bed\u8a00 &#8211; \u4e0eC \u548c C++\u5c5e\u4e8e\u540c\u4e00\u7ea7\u522b<\/p>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;.<br \/>\n<strong>JavaScript\u53ef\u4ee5\u505a\u4ec0\u4e48?<\/strong><\/p>\n<ul>\n<li>JavaScript \u4e3a HTML \u8bbe\u8ba1\u8005\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7f16\u7a0b\u5de5\u5177<br \/>\n&#8211; HTML \u4f5c\u8005\u4eec\u901a\u5e38\u90fd\u4e0d\u662f\u7a0b\u5e8f\u5458\uff0c\u800c JavaScript \u662f\u4e00\u79cd\u8bed\u6cd5\u975e\u5e38\u7b80\u5355\u7684\u811a\u672c\u8bed\u8a00\uff0c\u51e0\u4e4e\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u6beb\u4e0d\u8d39\u529b\u7684\u5728\u4ed6\u4eec\u7684HTML\u9875\u9762\u4e2d\u63d2\u5165\u4e00\u6bb5\u6bb5\u5c0f\u6bb5\u4ee3\u7801<\/li>\n<li>JavaScript \u53ef\u4ee5\u5728HTML\u9875\u9762\u4e2d\u63d2\u5165\u52a8\u6001\u6587\u672c<br \/>\n&#8211; JavaScript \u8bed\u53e5: <span style=\"color: blue\">document.write(&#8220;&lt;h1&gt;&#8221; + Date() + &#8220;&lt;\/h1&gt;&#8221;) <\/span>\u53ef\u4ee5\u5c06\u5f53\u524d\u65e5\u671f\u5199\u5165\u5230HTML \u9875\u9762\u4e2d<\/li>\n<li>JavaScript \u53ef\u4ee5\u5bf9\u4e8b\u4ef6\u8fdb\u884c\u53cd\u5e94<br \/>\n&#8211; \u4e00\u6bb5JavaScript \u53ef\u4ee5\u88ab\u8bbe\u7f6e\u4e3a\u5728\u67d0\u4e8b\u4ef6\u53d1\u751f\u65f6\u6267\u884c\uff0c\u4f8b\u5982\u5f53\u4e00\u4e2a\u9875\u9762\u5b8c\u6210\u52a0\u8f7d\u65f6\uff0c\u6216\u8005\u5f53\u7528\u6237\u70b9\u51fb\u67d0\u4e2aHTML\u63a7\u4ef6\u65f6\u6267\u884c<\/li>\n<li>JavaScript\u53ef\u4ee5\u8bfb\u5199HTML\u5143\u7d20<br \/>\n&#8211; \u4e00\u6bb5JavaScript \u53ef\u4ee5\u8bfb\u53d6\u5e76\u6539\u5199\u4e00\u4e2aHTML \u5143\u7d20\u7684\u5185\u5bb9<\/li>\n<li>JavaScript \u53ef\u4ee5\u88ab\u7528\u6765\u9a8c\u8bc1\u6570\u636e<br \/>\n&#8211; \u4f7f\u7528JavaScript \u53ef\u4ee5\u5728\u5411\u670d\u52a1\u5668\u63d0\u4ea4\u8868\u5355(form)\u6570\u636e\u4e4b\u524d\u9a8c\u8bc1\u8868\u5355\u6570\u636e\uff0c\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u670d\u52a1\u5668\u8fdb\u884c\u989d\u5916\u7684\u5904\u7406\u8fd0\u7b97<\/li>\n<li>JavaScript \u53ef\u4ee5\u88ab\u7528\u6765\u76d1\u6d4b\u8bbf\u95ee\u8005\u7684\u6d4f\u89c8\u5668<br \/>\n&#8211; \u4f7f\u7528JavaScript\u53ef\u4ee5\u76d1\u6d4b\u8bbf\u95ee\u8005\u7684\u6d4f\u89c8\u5668\uff0c\u5e76\u6839\u636e\u7528\u6237\u6d4f\u89c8\u5668\u7684\u4e0d\u540c\u52a0\u8f7d\u4e13\u95e8\u9488\u5bf9\u8be5\u6d4f\u89c8\u5668\u8bbe\u8ba1\u7684\u7279\u6b8a\u9875\u9762<\/li>\n<li>JavaScript \u53ef\u4ee5\u88ab\u7528\u6765\u751f\u6210cookie<br \/>\n&#8211; JavaScript\u53ef\u4ee5\u88ab\u7528\u6765\u5b58\u50a8\u548c\u8bfb\u53d6\u5173\u4e8e\u8bbf\u95ee\u8005\u7684\u8ba1\u7b97\u673a\u7684\u4fe1\u606f<\/li>\n<\/ul>\n<p>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;<\/p>\n<p><strong>JavaScript\u771f\u6b63\u7684\u540d\u79f0\u662f ECMAScript<\/strong><\/p>\n<p>JavaScript\u771f\u6b63\u7684\u5b98\u65b9\u540d\u79f0\u662f ECMAScript\uff0c\u5b83\u662f\u7531<a href=\"http:\/\/www.ecma-international.org\/\" target=\"_blank\">ECMA \u7ec4\u7ec7<\/a>\u5f00\u53d1\u548c\u7ef4\u62a4\u7684\u3002<\/p>\n<p>ECMA-262 \u662f\u5b98\u65b9\u7684 JavaScript \u6807\u51c6\u3002<\/p>\n<p>\u8fd9\u79cd\u8bed\u8a00\u662f\u7f51\u666f(Netscape)\u7684Brendan  Eich \u968fNavigator 2.0\u53d1\u660e\u7684\uff0c\u4ece1996\u8d77\u51fa\u73b0\u5728\u6240\u6709\u7f51\u666f\u548c\u5fae\u8f6f\u7684\u6d4f\u89c8\u5668\u4e2d\u3002<\/p>\n<p>ECMA-262 \u7684\u5f00\u53d1\u59cb\u4e8e1996\u5e74\uff0c\u7b2c\u4e00\u7248\u57281997\u5e746\u6708\u88ab ECMA General Assembly \u91c7\u7eb3\u3002<\/p>\n<p>\u8fd9\u9879\u6807\u51c6\u57281998\u5e74\u88ab\u63a5\u7eb3\u4e3a\u56fd\u9645ISO (ISO\/IEC  16262) \u6807\u51c6\u3002<\/p>\n<p>\u81f3\u4eca\u8fd9\u9879\u6807\u51c6\u7684\u5f00\u53d1\u4ecd\u5728\u8fdb\u884c\u4e4b\u4e2d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>JavaScript\u53ef\u4ee5\u8bf4\u662finternet\u4e0a\u6700\u6d41\u884c\u7684\u811a\u672c\u8bed\u8a00\uff0c\u5b83\u53ef\u4ee5\u5728\u5305\u62ecIE, Mozilla, Firefox, Netscape, \u548c Opera\u7684\u6240\u6709\u4e3b\u6d41\u6d4f\u89c8\u5668\u4e2d\u5de5\u4f5c\u3002 &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; \u8bfe\u524d\u51c6\u5907 \u5b66\u4e60JavaScript\u4e4b\u524d\uff0c\u4f60\u9700\u8981\u5177\u5907HTML \/ XHTML\u7684\u57fa\u672c\u77e5\u8bc6\u3002\u5982\u679c\u4e0d\u5177\u5907\uff0c\u8bf7\u5b66\u4e60\u5148\u3002 &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;- \u4ec0\u4e48\u662fJavaScript JavaScript\u6700\u521d\u662f\u4e3a\u4e86\u5728HTML\u9875\u9762\u4e2d\u589e\u52a0\u4ea4\u4e92\u529f\u80fd\u800c\u8bbe\u8ba1\u7684 JavaScript\u662f\u4e00\u79cd\u811a\u672c\u8bed\u8a00 (\u811a\u672c\u8bed\u8a00\u662f\u4e00\u79cd\u8f7b\u578b\u7f16\u7a0b\u8bed\u8a00) \u4e00\u4e2aJavaScript\u811a\u672c\u53ef\u5305\u542b\u591a\u884c\u53ef\u6267\u884c\u7684\u8ba1\u7b97\u673a\u4ee3\u7801 JavaScript\u811a\u672c\u901a\u5e38\u90fd\u76f4\u63a5\u5d4c\u5165\u5728HTML\u9875\u9762\u91cc\uff0c\u4e5f\u6709\u65f6\u662f\u5199\u5728\u5355\u72ec\u7684\u6587\u4ef6\u91cc JavaScript\u662f\u4e00\u79cd\u89e3\u91ca\u578b\u8bed\u8a00(\u8fd9\u5c31\u610f\u5473\u7740\u811a\u672c\u6267\u884c\u65f6\u4e0d\u9700\u8981\u9884\u7f16\u8bd1) \u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u4f7f\u7528JavaScript\uff0c\u65e0\u9700\u8bb8\u53ef &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211; Java\u548cJavaScript\u662f\u4e00\u56de\u4e8b\u5417\uff1f \u4e0d\u662f! Java \u548c JavaScript \u65e0\u8bba\u4ece\u6982\u5ff5\u8fd8\u662f\u8bbe\u8ba1\u4e0a\u6765\u8bf4\u90fd\u662f\u4e24\u79cd\u5b8c\u5168\u4e0d\u540c\u7684\u8bed\u8a00\uff01 Java (\u7531Sun Microsystems\u516c\u53f8\u5f00\u53d1) \u662f\u4e00\u79cd\u5f3a\u5927\u548c\u66f4\u4e3a\u590d\u6742\u7684\u7f16\u7a0b\u8bed\u8a00 &#8211; \u4e0eC \u548c C++\u5c5e\u4e8e\u540c\u4e00\u7ea7\u522b &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;. JavaScript\u53ef\u4ee5\u505a\u4ec0\u4e48? JavaScript \u4e3a HTML \u8bbe\u8ba1\u8005\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7f16\u7a0b\u5de5\u5177 &#8211; HTML \u4f5c\u8005\u4eec\u901a\u5e38\u90fd\u4e0d\u662f\u7a0b\u5e8f\u5458\uff0c\u800c JavaScript \u662f\u4e00\u79cd\u8bed\u6cd5\u975e\u5e38\u7b80\u5355\u7684\u811a\u672c\u8bed\u8a00\uff0c\u51e0\u4e4e\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u6beb\u4e0d\u8d39\u529b\u7684\u5728\u4ed6\u4eec\u7684HTML\u9875\u9762\u4e2d\u63d2\u5165\u4e00\u6bb5\u6bb5\u5c0f\u6bb5\u4ee3\u7801 JavaScript \u53ef\u4ee5\u5728HTML\u9875\u9762\u4e2d\u63d2\u5165\u52a8\u6001\u6587\u672c &#8211; JavaScript \u8bed\u53e5: document.write(&#8220;&lt;h1&gt;&#8221; + Date() + [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":3,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/pages\/4"}],"collection":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/comments?post=4"}],"version-history":[{"count":2,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/pages\/4\/revisions"}],"predecessor-version":[{"id":129,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/pages\/4\/revisions\/129"}],"up":[{"embeddable":true,"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/pages\/3"}],"wp:attachment":[{"href":"https:\/\/www.prglab.com\/blog\/wp-json\/wp\/v2\/media?parent=4"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}