- HTML code
<input type="submit" value=" 保存" onclick="javascript:__doPostBack('ctl00$MainContent$toolbarPersonEdit','Save$')" id="MainContent_Save" class="saveButtonIco" />
- JScript code
<script type="text/javascript"> //<![CDATA[ var theForm = document.forms['form1']; if (!theForm) { theForm = document.form1; } function __doPostBack(eventTarget, eventArgument) { if (!theForm.onsubmit || (theForm.onsubmit() != false)) { theForm.__EVENTTARGET.value = eventTarget; theForm.__EVENTARGUMENT.value = eventArgument; theForm.submit(); } } //]]> </script>
ie8提交两次,ie9,火狐,谷歌提交一次。
我知道type="submit" 会提交表单,__doPostBack也会提交表单,那为什么偏偏只有ie8提交了两次??
------解决方案--------------------
<input type="submit" value=" 保存"
改成
<input type="button" value=" 保存"
否则,既执行onlick,又执行submit。浏览器存在bug,不建议使用 <input type="submit"又写onlick