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Comments In Javascript






Purpose





Types Of Comments




  1. Single-line comments
  2. Multiline comments

Single-Line Comments




// This is a single-line comment.



Multiline Comments




/*
	This is a multiline comment .
      In this you can write any no.of lines.
*/



Example.




<!DOCTYPE html>
<html>
<head>
    <title>Comments example</title>
    <script language="JavaScript">
        /*
            Code added by : GyanSangrah
            Code added on : September 13, 2010        
        */
        function ClickMe() {
            // This piece of code will fire an alert.    
            // It is important to add semi colon at the end to avoid 
            // any JavaScript error.
            alert("Hi, this is a comments sample");
        }
    </script>
</head>
<body>
    <form>
        <input type="button" name="btnComments" value="Click Me" onclick="javascript:ClickMe();" />
    </form>
</body>
</html>

Try It




Posted By  -  Karan Gupta
 
Posted On  -  Tuesday, December 28, 2010

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