var set1 = ";,/?:@&=+$"; // Reserved Characters var set2 = "-_.!~*'()"; // Unescaped Characters var set3 = "#"; // Number Sign var set4 = "ABC abc 123"; // Alphanumeric Characters + Space console.log(encodeURI(set1)); // ;,/?:@&=+$ console.log(encodeURI(set2)); // -_.!~*'() console.log(encodeURI(set3)); // # console.log(encodeURI(set4)); // ABC%20abc%20123 (the space gets encoded as %20) console.l
![encodeURIComponent() - JavaScript | MDN](https://cdn-ak-scissors.b.st-hatena.com/image/square/aa767575b4232d312d2c5de428f0bf0955805e26/height=288;version=1;width=512/https%3A%2F%2Fdeveloper.mozilla.org%2Fmdn-social-share.cd6c4a5a.png)