doubletapnotworking.js

$.event.special.abetap = {
            delegateType: "tap",
            bindType: "tap",
            handle: function (event) {
                var handleObj = event.handleObj;
                var targetData = jQuery.data(event.target);
                var ret = null;

                event.preventDefault();

                if (!targetData.counter && !targetData.timer) {
                    //debugger;
                    targetData.counter = Date.now();
                    targetData.timer = setTimeout(function () {
                        clearTimeout(targetData.timer);
                        delete targetData.counter;
                    }, 500);
                    console.log(targetData);
                } else {
                    if (Date.now() - targetData.counter < 500) {
                        event.type = handleObj.origType;
                        ret = handleObj.handler.apply(this, arguments);
                        event.type = handleObj.type;
                        return ret;
                    }
                    clearTimeout(targetData.timer);
                    delete targetData.counter;
                }

            }
        };