JS的textinput事件

 var EventUtil = {
        getEvent: function (event) {
        return event ? event : window.event;
        },

        addHandler: function (element, type, handler) {
        if (element.addEventListener) {
        element.addEventListener(type, handler, false);
        } else if (element.attachEvent) {
        element.attachEvent("on" + type, handler);

        } else {

        element["on" + type] = handler;
        }
        }
        };
        var textbox = document.getElementById("myText");

        EventUtil.addHandler(textbox, "textInput", function (event) {

        event = EventUtil.getEvent(event);
        alert(event.data);

        });

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