javascript-实现鼠标事件模拟

鼠标事件模拟

函数库

1. EventUtil.js
2. BrowserUtil.js

点击事件

    <button id="btn1">按钮1button>
p>
<p>
    <button id="btn2">按钮2button>
p>
<script>
    (function(){
        var btn1 = document.querySelector('#btn1');
        var btn2 = document.querySelector('#btn2');
        EventUtil.addHandler(btn1, 'click', function (event) {
            event = EventUtil.getEvent(event);
            alert('btn1');
            alert(event.screenY);
        });
        EventUtil.addHandler(btn2, 'click', function (event) {
            var browser = BrowserUtil.browserVersion()
            if (browser.name === 'ie' && +browser.version <= 8) {
                // IE8鼠标事件模拟
                event = document.createEventObject();
                event.screenX = 0;
                event.screenY = 100;
                event.clientX = 0;
                event.clientY = 0;
                event.ctrlKey = false;
                event.altKey = false;
                event.shiftKey = false;
                event.button = 0;
                btn1.fireEvent('onclick', event);
            } else {
                // IE9及以上和常用浏览器的鼠标事件模拟
                event = document.createEvent('MouseEvents');
                event.initMouseEvent('click', true, true, document.defaultView, 0, 0, 100, 0, 0, false, false, false, false, 0, btn2);
                btn1.dispatchEvent(event);
            }
        })
    })()
script>