w3resource

JavaScript: label statement

Description

Label statement provides an identifier for a statement that lets you refer to it using a break or continue statement.

Syntax

label :
statements

Parameters

label: Any JavaScript identifier that is not a reserved word.

statements: Group of statements. "Break" can be used with any labeled statement, and "continue" can be used with looping labeled statements.

Example:

The following web document demonstrates how label statement can be used.

HTML Code

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset=utf-8>
<title>JavaScript label statement :  Example-1</title>
</head>
<body>
<h1 style="color: red">JavaScript : label statement</h1>
<script src="label-statement-example1.js"></script>
</body>
</html>

JS Code

labelmark:
for(x=0; x<6; x++)
{
var newParagraph1 = document.createElement("p");
var newText1 = document.createTextNode("The value of x is : " +x);
newParagraph1.appendChild(newText1);
document.body.appendChild(newParagraph1);
if(x==3)
{
break labelmark;
}
}
var newParagraph1 = document.createElement("p");
var newText1 = document.createTextNode("The last value of x is : " +x);
newParagraph1.appendChild(newText1);
document.body.appendChild(newParagraph1);

View the example in the browser

Practice the example online

See the Pen label-1 by w3resource (@w3resource) on CodePen.


Previous: JavaScript for loop
Next: JavaScript: break statement

Test your Programming skills with w3resource's quiz.



Become a Patron!

Follow us on Facebook and Twitter for latest update.

It will be nice if you may share this link in any developer community or anywhere else, from where other developers may find this content. Thanks.

https://w3resource.com/javascript/statements/label.php