JS:jQuery Validate Tip To Disable Onkeyup Event In One Field.

disable-onkeyup-field.js

jQuery.validator.setDefaults({
    onkeyup: function(element) {
        var _this = this,
            $element = $(element),
            element_id = $element.attr('id'),
            classes = $element.attr('class') || '';
    
        $.each(classes.split(' '), function() {
            if (this in $.validator.classRuleSettings && $.validator.classRuleSettings[this].onkeyup !== false) {
                $.validator.defaults.onkeyup.apply(_this, arguments);
                return false;
            }
        });
    
        if (this.settings.rules[element_id] && this.settings.rules[element_id].onkeyup !== false) {
            $.validator.defaults.onkeyup.apply(this, arguments);
        }
    }
});