JavaScript remove sublinhado e capitalize
function humanize(str) {
var i, frags = str.split('_');
for (i=0; i<frags.length; i++) {
frags[i] = frags[i].charAt(0).toUpperCase() + frags[i].slice(1);
}
return frags.join(' ');
}
humanize('humpdey_dumpdey');
// > Humpdey Dumpdey
Anxious Anaconda