URLSearchParams.getAll()
  The getAll() method of the URLSearchParams
  interface returns all the values associated with a given search parameter as an array.
Note: This feature is available in Web Workers
Syntax
URLSearchParams.getAll(name)
Parameters
- name
- 
    The name of the parameter to return. 
Return value
An array of USVStrings.
Examples
let url = new URL('https://example.com?foo=1&bar=2');
let params = new URLSearchParams(url.search);
//Add a second foo parameter.
params.append('foo', 4);
console.log(params.getAll('foo')) //Prints ["1","4"].
Specifications
| Specification | 
|---|
| URL Standard # dom-urlsearchparams-getall | 
Browser compatibility
BCD tables only load in the browser