getUrlParams.js Usage Example

getUrlParams.usage.js

// Using location.search (gets querystring from current URL)
let urlParams = getUrlParams(location.search); // Assume location.search = "?a=1&b=2b%202"
console.log(urlParams); // Prints { "a": 1, "b": "2b 2" }

// Using a URL string
const url = 'https://example.com?a=A%20A&b=1';
urlParams = getUrlParams(url);
console.log(urlParams); // Prints { "a": "A A", "b": 1 }

// To check if a parameter exists, simply do:
if (urlParams.hasOwnProperty('a')) {
  console.log(urlParams.a);
}