keyup phone formatter

by Craig Martin

HTML

<input class="inputbox required" type="text" name="cf_phone" value="" style="width: 95%;">

JavaScript

jQuery("input[name='cf_phone']").attr('onKeyup','formatPhone(this)');


function formatPhone(obj) {
    var numbers = obj.value.replace(/\D/g, ''),
        char = {0:'(',3:') ',6:'-'};
    obj.value = '';
    for (var i = 0; i < numbers.length; i++) {
        obj.value += (char[i]||'') + numbers[i];
    }
}