encode decode url in javascript

let url ="{{base_url_laravel}}/api/rest/v1.6/question/retrieve_question?question_title=testQuestion2+4@@~$&limit=20&order=asc&sort_by=card_number&start_index=1";

let encodeUrl=encodeURIComponent(url);

console.log(`enodeurl----${encodeUrl}`);

let decodedUrl=decodeURIComponent(encodeUrl);

console.log(`decodedurl-----${decodedUrl}`);