JSFiddle - React, Tailwind, and code Playground

by Mohamed Amer

JavaScript

var myarr = [ "color - black", "color - blue", "color - Red" ]

function capitalizeFirstLetter(string) {
    return string.charAt(0).toUpperCase() + string.slice(1);
}

var newArr = [];
for(var i=0; i < myarr.length; i++) {
    var splitit = myarr[i].split('-');
    var capital0 = capitalizeFirstLetter(splitit[0].trim());
    var capital1 = capitalizeFirstLetter(splitit[1].trim());
    newArr.push('"'+capital0+':'+capital1+'"');     
}

alert(newArr);