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What does block comment mean in javascript?
- 青灯夜游Original
- 2022-01-26 15:58:002750browse
In JavaScript, block comments are represented by "/* */", and the comment content needs to be wrapped with "/*" and "*/". The syntax is "/* comment content */"; it appears in " All content between /*" and "*/" will be regarded as comment content and will be automatically ignored during execution.
The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.
In JavaScript, block comments are also called multi-line comments and are represented by "/* */". The comment content needs to be expressed in "/*" and "*/" package (starting with /* and ending with */).
All content appearing between /* and */ will be regarded as the content of the comment, included between /* and # Any characters between the ##*/ symbols are treated as comment text and ignored.
Syntax:
/* 注释内容 */Example:
<html>
<body>
<script type="text/javascript">
/*
下面的代码将输出
一个标题和两个段落
*/
document.write("<h1>这是标题</h1>");
document.write("<p>这是段落。</p>");
document.write("<p>这是另一个段落。</p>");
</script>
</body>
</html>JavaScript comments can be used to prevent execution when testing alternative code. <html>
<body>
<script type="text/javascript">
/*
document.write("<h1>这是标题</h1>");
document.write("<p>这是段落。</p>");
document.write("<p>这是另一个段落。</p>");
*/
</script>
</body>
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