How to provide new line in JavaScript alert box?

To add a new line in JavaScript alert box, use the “
”:

alert("Line One
 Line Two");

Example

You can try to run the following code add a new line in an alert box in JavaScript:

Live Demo

<html>    <head>       <script>          <!--             function Warn() {                alert ("This is a warning message!
This is a new line.");                document.write ("This is a warning message!");             }          //-->       </script>    </head>    <body>       <p>Click the following button to see the result: </p>       <form>          <input type="button" value="Click Me" onclick="Warn();" />       </form>    </body> </html>
Updated on: 2020-01-08T10:38:08+05:30

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