With jQuery, how do I capitalize the first letter of a text field while the user is still editing that field?

Question

I\'m looking for an example of how to capitalize the first letter of a string being entered into a text field. Normally, this is done on the entire field with a function, r

Answer 1

 $("#test").keyup(
     function () {
         this.value = this.value.substr(0, 1).toUpperCase() + this.value.substr(1).toLowerCase();
     }
 );