Capital de primeira letra em jQuery
// Define function to capitalize the first letter of a string
function capitalizeFirstLetter(string){
return string.charAt(0).toUpperCase() + string.slice(1);
}
// Calling function and display the result
var str1 = 'hi there!';
str1 = capitalizeFirstLetter(str1);
document.write(str1); // Print: Hi there!
Ankur