ajax call after x characters

Question

I have an ajax call triggering on the maxlength of an input. However, it continues to trigger if a user continues to enter characters (because they count as a keypress). Is ther

Answer 1

Try this:

var ready = true;
$("input#billZipCode").on("keyup", function( event ){
    if(this.value.length == this.getAttribute('maxlength')) {
        if ($(this).valid() && ready) {
            zipLookup(this, "USA");
            ready = false;  
        }
    }
});