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Html-Javascript/03-输出,注释.html
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44
Html-Javascript/03-输出,注释.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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<script>
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//输出
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console.log('输出正常日志');
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console.dir('打印对象用的');
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console.error('输出红色警告,不会阻止代码运行');
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//throw "输出红色警告,会阻止代码运行"
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console.warn("黄色警告");
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console.log("end");
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//单行注释
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/*
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多行注释
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*/
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/*
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* 多行注释
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*
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*/
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//细节:
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// 1.js代码与py代码每句结束 一般都多一个;
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// 2.js中不是使用 代码位置来判断代码的 ( 代码) {代码块}
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</script>
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</body>
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</html>
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