URL Encode / URL Decode
decodeURIComponent() – JavaScript | MDN
encodeURIComponent() – JavaScript | MDN
encodeURIComponent()
// encodes characters such as ?,=,/,&,: console.log(`?x=${encodeURIComponent('test?')}`); // expected output: "?x=test%3F" console.log(`?x=${encodeURIComponent('шеллы')}`); // expected output: "?x=%D1%88%D0%B5%D0%BB%D0%BB%D1%8B"
decodeURIComponent()
// "JavaScript_шеллы" decodeURIComponent('JavaScript_%D1%88%D0%B5%D0%BB%D0%BB%D1%8B'); try { var a = decodeURIComponent('%E0%A4%A'); } catch(e) { console.error(e); // URIError: malformed URI sequence }