get data-url js code example

Example 1: js get base url

var url = window.location.origin;

Example 2: get data from url javascript

let url = 'https://www.example.com?name=n1&name=n2';
let params = (new URL(url)).searchParams;
params.get('name') // "n1"
params.getAll('name') // ["n1", "n2"]