Node.js URLSearchParams.has() Method

In URLSearchParams interface, the has() method returns a Boolean which tells us that if the parameter with input name exists it will return true, else false. Syntax:

var Bool = URLSearchParams.has(name)

Returns: True - if name present, else it will return False. Parameters: name - Input the name of the parameter. Example1: javascript

let url = new URL('https://example.com?par=5&bar=4');
let param = new URLSearchParams(url.search.slice(1));

param.has('bar') === true; 

Output:

true

Example2: When input parameter is not present javascript

let url = new URL('https://example.com?par=5&bar=4');
let param = new URLSearchParams(url.search.slice(1));

param.has('foo') === true; 

Output:

false

Supported Browsers:

• Google Chrome
• IE
• Edge
• Opera
• Apple Safari