Capitalize First character in a Javascript String

var capitalized = capitalizeMe.substr(0, 1).toUpperCase() + capitalizeMe.substr(1);

var capitalized = capitalizeMe[0].toUpperCase() + capitalizeMe.substring(1);

var capitalized = capitalizeMe.charAt(0).toUpperCase() + capitalizeMe.substring(1);

var capitalized = capitalizeMe.slice(0,1).toUpperCase() + capitalizeMe.slice(1, capitalizeMe.length);

var capitalized = capitalizeMe.substring(0, 1).toUpperCase() + capitalizeMe.substring(1);