Javascript block comment

Comment out in javascript

<script type="text/javascript">
<!--
// This is a single line JavaScript comment

document.write("I have comments in my JavaScript code!");
//document.write("You can't see this!");
//-->
</script>

Source: tizag.com

Javascript block comment

New empty HTML comment wherever:  Shift + Alt + A

Block comment js

/* this is a block 
comment in javascript */

Javascript comment

// For single line comment

/* For block of lines comment
...
...
*/

Javascript comment syntax

// single-line comment

/*
Comment with
multiple lines
*/

Source: exploringjs.com

Javascript comment

let x = 5;      // Declare x, give it the value of 5
let y = x + 2;  // Declare y, give it the value of x + 2

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