How to make multi-line comments in javascript-JS Tutorial-php.cn

How to make multi-line comments in javascript

藏色散人

Release： 2023-01-04 09:35:44

Original

6246 people have browsed it

How to make multi-line comments in javascript: first create an HTML sample file; then add a script tag in the head tag; then write javascript code in the script tag; finally use "/*. ..*/" symbols can be used for multi-line comments.

How to make multi-line comments in javascript

The operating environment of this article: windows7 system, javascript1.8.5&&html5 version, Dell G3 computer.

js single-line and multi-line comment writing format

The role of comments is to improve the readability of the code and help yourself and others read and understand the JavaScript code you write. , the content of the annotation will not be displayed on the web page. Comments can be divided into two types: single-line comments and multi-line comments.

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>JavaScript-注释很重要</title>
        <script type="text/javascript">
            document.write("我是单行注释&#39;//&#39;");//该语句在网页中输出的单行注释内容不展示
            document.write("我是多行注释&#39;/*注释内容*/&#39;");
            /*
            哈哈，我是多行注释
            神奇的js把我隐藏了，看不见
            记得养成良好的注释习惯
            */
        </script>
        <style type="text/css">
            div::selection{
                background-color: #00FFFF;
                /* color: #fff; */
            }
        </style>
    </head>
    <body>
        <div>html与css注释还记得如何书写吗</div>
        <!-- <div>html与css注释还记得如何书写吗</div> -->
    </body>
</html>

Copy after login

Summary: The comment content is generally placed at or around the end of the statement that needs to be explained. For single-line comments, add the symbol "//" before the comment content. At the same time, multi-line comments start with "/*" and end with "* /"End, did you find that the multi-line comments of javascript are the same as the comments of css

[Recommended learning: javascript advanced tutorial]

The above is the detailed content of How to make multi-line comments in javascript. For more information, please follow other related articles on the PHP Chinese website!