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\n

\u4e00.\u540c\u6b65\u548c\u5f02\u6b65\u7684\u6982\u5ff5\u3002<\/p> \n

\u540c\u6b65\uff1a\u5373\u6309\u4ee3\u7801\u7684\u987a\u5e8f\u6267\u884c\u4efb\u52a1\u3002<\/p> \n

\u5728\u4e0b\u5217\u4ee3\u7801\u4e2d\uff0c\u6309\u7167\u540c\u6b65\u6982\u5ff5\uff0c\u5219\u662f\u5148\u6253\u53701\u540e\u6253\u53702\u3002<\/p> \n

\n
1<\/span> console.log(1);\r\n<\/span>2<\/span> console.log(2);<\/pre> \n <\/div> \n 

\u5f02\u6b65\uff1a\u5373\u6267\u884c\u4e00\u4e2a\u4efb\u52a1\u7684\u540c\u65f6\u6267\u884c\u53e6\u4e00\u4e2a\u4efb\u52a1\u3002\u5982\u679c\u6309\u7167\u6b64\u6982\u5ff5\u6267\u884c\u4e0a\u9762\u4ee3\u7801\uff0c\u5219\u662f\u540c\u65f6\u6253\u5370\u51fa1\u548c2\u3002<\/p> \n

 <\/p> \n

\u4e8c.\u5ba2\u6237\u7aefjava<\/a> script\u4e2d\u4ee3\u7801\u7684\u6267\u884c\u987a\u5e8f<\/p> \n

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JS\u7684\u6267\u884c\u4efb\u52a1\u5206\u4e3a\u540c\u6b65\u4efb\u52a1\u548c\u5f02\u6b65\u4efb\u52a1\uff1a<\/p> \n

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\u8fc7\u7a0b\uff1a\u4e00\u4e2ajs\u7a0b\u5e8f\u6267\u884c\u65f6\uff0c\u9996\u5148\u5c06\u540c\u6b65\u4efb\u52a1\u653e\u5165\u4e00\u4e2a\u6267\u884c\u6808<\/strong><\/span>\u4e2d\uff0c\u5148\u89e3\u6790\u540c\u6b65\u4efb\u52a1\u548c\u5f02\u6b65\u4efb\u52a1\u5e76\u4e14\u6309\u987a\u5e8f\u6267\u884c\u6240\u6709\u540c\u6b65\u4efb\u52a1\u3002\u5f53\u5f02\u6b65\u4efb\u52a1\u88ab\u89e6\u53d1\u65f6\uff08\u5982\u7528\u6237\u70b9\u51fb\u9f20\u6807\u6216\u8005\u6309\u4e0b\u952e\u76d8\uff09\uff0c\u5f02\u6b65\u8fdb\u7a0b\u5904\u7406\u5219\u4f1a\u68c0\u6d4b\u5230\u5e76\u5c06\u5176\u5bf9\u5e94\u7684\u5f02\u6b65\u4efb\u52a1\u8f6c\u79fb\u5230\u4efb\u52a1\u961f\u5217<\/strong><\/span>\u4e2d\u3002\u540c\u6b65\u4efb\u52a1\u5168\u90e8\u6267\u884c\u5b8c\u6bd5\u540e\uff0c\u5219\u67e5\u770b\u4efb\u52a1\u961f\u5217\u4e2d\u662f\u5426\u6709\u672a\u5b8c\u6210\u7684\u56de\u8c03\u51fd\u6570\uff0c\u5982\u679c\u6709\u5219\u6309\u987a\u5e8f\u6267\u884c\u3002\u5728\u6b64\u540e\u671f\u95f4\u4f1a\u4e0d\u65ad\u67e5\u770b\u4efb\u52a1\u961f\u5217\u5e76\u4e0d\u65ad\u6267\u884c\uff0c\u5f62\u6210\u4e8b\u4ef6\u5faa\u73af\u3002\u8bf7\u770b\u5982\u4e0b\u8fc7\u7a0b\u56fe<\/p> \n

\"\"<\/p> \n

 <\/p> \n

\u4e09\u3001HTML\u6587\u4ef6\u4e2dscript\u6807\u7b7e\u7684\u6267\u884c\u987a\u5e8f\u548c\u5176\u5c5e\u6027defer\u3001async\u4ea7\u751f\u7684\u5f71\u54cd<\/p> \n

1.\u5728\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cHTML\u89e3\u6790\u5668\u9047\u5230script\u6807\u7b7e\u65f6\uff0c\u662f\u5148\u6267\u884c\u811a\u672c\uff0c\u8fdb\u5165\u811a\u672c\u5e76\u6309\u4e0a\u9762\u6240\u8ff0\u7684\u987a\u5e8f\u6267\u884c\u5b8c\u4ee3\u7801\u3002\u7136\u540e\u518d\u7ee7\u7eed\u89e3\u6790\u6e32\u67d3HTML\u9875\u9762\u6587\u6863\uff0c\u8fd9\u662f\u5bf9\u4e8e\u5185\u8054\u811a\u672c\u6765\u8bf4\u3002\u4f46\u540c\u6837\u7684\uff0c\u5bf9\u4e8e\u4e00\u4e2a\u7531src\u5c5e\u6027\u6307\u5b9a\u5916\u90e8\u6587\u4ef6\u7684\u811a\u672c\u6765\u8bf4\uff0c\u4e5f\u662f\u5148\u4e0b\u8f7d\u5e76\u6267\u884c\u8be5\u811a\u672c\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5728\u5b8c\u6210\u6539\u811a\u672c\u7684\u4e0b\u8f7d\u548c\u6267\u884c\u524d\uff0c\u5176\u540e\u9762\u7684\u6587\u6863\u90e8\u5206\u90fd\u4e0d\u4f1a\u663e\u73b0\u51fa\u6765\uff08\u5b9e\u9645\u4e0aDOM\u6811\u5df2\u7ecf\u88ab\u8f7d\u5165\uff0c\u4f46\u662f\u6ca1\u88ab\u89e3\u6790\u4e3aDOM\u6811\uff09\u3002<\/p> \n

\u4ee5\u4e0b\u4e00\u4e2a1996\u6700\u5148\u8fdb\u7684JS\u4ee3\u7801\u53ef\u4ee5\u8bc1\u660e\u8be5\u6982\u5ff5\uff08\u5f53\u65f6\u6ca1\u6709\u90a3\u4e48\u591a\u7684\u5f02\u6b65\u4e8b\u4ef6API\u5b9e\u73b0\u5f02\u6b65\u8c03\u7528\uff0c\u6240\u4ee5\u7528\u5982\u4e0b\u7684\u540c\u6b65\u7a0b\u5e8f\u6765\u5b9e\u73b0\u52a8\u6001\u6dfb\u52a0HTML\u5143\u7d20\uff09<\/p> \n

\n
 1<\/span> <!DOCTYPE html>\r\n 2<\/span> <html lang="en">\r\n 3<\/span> <head>\r\n 4<\/span>     <meta charset="UTF-8">\r\n 5<\/span>     <title>Document<\/title>\r\n 6<\/span> <\/head>\r\n 7<\/span> <body>\r\n 8<\/span>     <h1>Table of Factorials<\/h1>\r\n 9<\/span>     <script>\r\n10<\/span>         function<\/span> factorial(n) {            \/\/<\/span>\u7528\u6765\u5b9e\u73b0\u9636\u4e58\u7684\u51fd\u6570<\/span>\r\n11<\/span>             if<\/span>(n <= 1) return<\/span> n;\r\n<\/span>12<\/span>             else<\/span> return<\/span> n * factorial(n-1);\r\n<\/span>13<\/span>         }\r\n<\/span>14<\/span> \r\n15<\/span>         document.write("<table>");        \/\/<\/span>\u5f00\u59cb\u521b\u5efa\u8868\u683c        <\/span>\r\n16<\/span>         document.write("<tr><th>n<\/th><th>n!<\/th><\/tr>");     \/\/<\/span>\u521b\u5efa\u8868\u5934        <\/span>\r\n17<\/span>         for<\/span>(var<\/span> i = 0;i <= 10;i++) {\r\n<\/span>18<\/span>             document.write("<tr><td>" + i + "<\/td><td>" + factorial(i) + "<\/td><\/tr>");  \/\/<\/span>\u8f93\u51fa\u5341\u884c\u8868\u683c<\/span>\r\n19<\/span>         }\r\n<\/span>20<\/span>         document.write("<\/table>");        \/\/<\/span>\u8868\u683c\u7ed3\u675f<\/span>\r\n21<\/span>         document.write("Generated at " + new<\/span> Date());   \/\/<\/span>\u8f93\u51fa\u65f6\u95f4\u6233<\/span>\r\n22<\/span>     <\/script>
\u3000\u3000\u3000\u3000<h2>Table of Factorials<\/h2>\r\n23<\/span> <\/body>\r\n24<\/span> <\/html><\/pre> \n <\/div> \n

\u4ee5\u4e0b\u4e3a\u7ed3\u679c\u56fe\uff1a<\/p> \n

\"\"<\/p> \n

\u53ef\u4ee5\u5f97\u77e5\uff0c\u811a\u672c\u7684\u6267\u884c\u5728\u9ed8\u8ba4\u7684\u60c5\u51b5\u4e0b\u662f\u540c\u6b65\u548c\u963b\u585e<\/strong><\/span>\u7684\uff0c\u8fd9\u662f\u7531\u5176\u5355\u7ebf\u7a0b\u6a21\u578b\u51b3\u5b9a\u7684\u3002\u4f46\u662f\uff0c\u5bf9\u4e8e\u4f7f\u7528src\u5f15\u5165\u5916\u90e8\u6587\u4ef6\u7684script\u6807\u7b7e\u6765\u8bf4\uff0c\u5176\u5c5e\u6027defer\u548casync\u53ef\u4ee5\u6539\u53d8\u8fd9\u79cd\u60c5\u51b5\uff0c\u5b9e\u73b0\u5f02\u6b65\u8c03\u7528<\/p> \n

 <\/p> \n

2.\u5bf9\u4e8e\u5916\u8054\u811a\u672c\uff08\u5373\u7531src\u5c5e\u6027\u5f15\u5165\u5916\u90e8js\u6587\u4ef6\u7684\u811a\u672c\uff09\uff0c\u5176\u6709\u4e24\u4e2a\u5c5e\u6027\u53ef\u4ee5\u6539\u53d8\u540c\u6b65\u72b6\u6001\u2014\u2014defer<\/strong><\/span>\u548casync<\/strong><\/span>\uff08\u53ea\u8981\u6709\u8fd9\u4e24\u4e2a\u5c5e\u6027\u4e4b\u4e00\u5373\u4e3a\u5f02\u6b65\u811a\u672c<\/strong>\uff09<\/p> \n

defer\uff08\u5ef6\u8fdf\uff09<\/strong>\uff1a\u6709\u4e86\u8be5\u5c5e\u6027\u7684\u5916\u8054\u811a\u672c\u4f1a\u5ef6\u8fdf\u89e3\u6790\u6267\u884c<\/strong><\/span>\uff0c\u5373\u7b49\u5f85\u6587\u6863\u7684\u8f7d\u5165\u548c\u89e3\u6790\u5b8c\u6210\u5e76\u53ef\u4ee5\u64cd\u4f5c\u65f6<\/strong><\/span>\uff08\u4e0d\u5305\u62ecimg\uff0c\u5373\u53ef\u4ee5\u7406\u89e3\u4e3aDOMContentLoaded\u4e8b\u4ef6\u89e6\u53d1\u65f6\uff09\u624d\u89e3\u6790\u6267\u884c\u3002\u770b\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p> \n

\n
 1<\/span> <!DOCTYPE html>\r\n 2<\/span> <html lang="en">\r\n 3<\/span> <head>\r\n 4<\/span>     <meta charset="UTF-8">\r\n 5<\/span>     <title>Document<\/title>\r\n 6<\/span>     <style type="text\/css" media="screen">\r\n 7<\/span>         div {\r\n<\/span> 8<\/span>             width: 100px;\r\n<\/span> 9<\/span>             height:100px;\r\n<\/span>10<\/span>         }\r\n<\/span>11<\/span>     <\/style>\r\n12<\/span> <\/head>\r\n13<\/span> <body>\r\n14<\/span>     <script type="text\/java script" src="console.js" defer><\/script>\r\n15<\/span>     <script type="text\/java script">\r\n16<\/span>         console.log(+new<\/span> Date());\r\n<\/span>17<\/span>     <\/script>\r\n18<\/span>     <script type="text\/java script">\r\n19<\/span>         document.addEventListener("DOMContentLoaded",function<\/span>(){\r\n<\/span>20<\/span>             console.log(+new<\/span> Date());\r\n<\/span>21<\/span>         });\r\n<\/span>22<\/span>     <\/script>\r\n23<\/span> <\/body>\r\n24<\/span> <\/html><\/pre> \n <\/div> \n 

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