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Node | URLSearchParams.has() Method
  • Last Updated : 11 Jul, 2020

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:






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




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
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