Convert first letter to uppercase on input box

Question

JS Bin demo

This regex transform each lower case word to upper case. I have a full name input field. I do want the user to see that each word\'s first letter he/she

Answer 1

This will do for every textfield call function on keyup

where id is id of your textfield and value is value you type in textfield

function capitalizeFirstLetter(value,id)
{

    if(value.length>0){

        var str= value.replace(value.substr(0,1),value.substr(0,1).toUpperCase());
        document.getElementById(id).value=str;

    }

}