JavaScript 触发click事件 兼容FireFox IE 和 Chrome

解决了火狐下无法触发click事件的问题

<script language="javascript">function test2(name){if(document.all){document.getElementById(name).click();}else{var evt = document.createEvent("MouseEvents");evt.initEvent("click", true, true);document.getElementById(name).dispatchEvent(evt);}}</script><a href="#" id="a3" οnclick="location.href = '';">baidu</a><input type="button" value="clck" οnclick="test2('a3');"/>