Javascript – How to add comments

February 19, 2020 admin Javascript 0

Here are the syntax to add comments in Javascript.

1 Double Trailing Slash – “//”

Example Code:

<!DOCTYPE html>
 <html lang="en">
 <head>
     <meta charset="UTF-8">
     <title>Title</title>
     <script>
         //calling alert
         alert('test');
     </script>
     <script src="js/helloworld.js"/>
 </head>
 <body>
     <script>
         alert('test');
     </script>
 </body>
 </html>

2 Use asterisk – /** */

Example Code:

<!DOCTYPE html>
 <html lang="en">
 <head>
     <meta charset="UTF-8">
     <title>Title</title>
     <script>
         //calling alert
         /**
          * calling alert
          */
         alert('test');
     </script>
     <script src="js/helloworld.js"/>
 </head>
 <body>
     <script>
         alert('test');
     </script>
 </body>
 </html>