var tags = {
1: "the-reality",
2: "your-life",
3: "your-voice",
4: "amped-up"
};


//Outside of Loop, at top of functionality

String.prototype.toTitleCase = function(n) {
   var s = this;
   if (1 !== n) s = s.toLowerCase();
   return s.replace(/\b[a-z]/g,function(f){return f.toUpperCase()});
}

//inside the for/each loop

var stringArray = tags[i].replace(/-/g, ""); var stringArray = i.toTitleCase();

// if tags[i] was initially "the-reality" than stringArray will now = "The Reality"