JSFiddle - React, Tailwind, and code Playground

by theacadian

JavaScript

function checkForEnglish( character ) {
    var E = ['a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'];
    return E.indexOf( character.toLowerCase() ) > -1;
}

alert(checkForEnglish('مجلد'));