转载 jackpk 的博客
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>【注意: image也能提交form!!! IE8、firefox 33.1下版本调试】</title>
<script type="text/javascript">
function formSubmit(){
alert("It is not a Joke! It is true~~");
document.jokeForm.action = "notAJoke.do?method=justATest";
document.jokeForm.submit();
return true;
}
</script>
</head>
<body>
<form name="jokeForm" method="post" action="aJoke.do">
<input name="user_name" value="" /><br />
<input name="user_pass" value="" /><br />
<!-- 以下写法,IE8、firefox 33.1 均只提交【1】次:/aJoke.do -->
<!-- <input type="image" src="abc.gif"/> -->
<!-- 以下写法,<span style="background-color: rgb(255, 102, 102);">IE提交【2】次:/notAJoke.do ,firefox 33.1 提交【1】次</span> -->
<!-- <input type="image" src="http://avatar.csdn.net/A/D/0/3_jackpk.jpg" onclick="formSubmit()"/> -->
<!-- 以下写法,<span style="background-color: rgb(255, 153, 102);">IE提交【2】次:/notAJoke.do ,firefox 33.1 提交【1】次</span> -->
<!-- <input type="image" src="http://avatar.csdn.net/A/D/0/3_jackpk.jpg" onclick="formSubmit();return true;"/> -->
<!-- 以下写法,<span style="background-color: rgb(255, 255, 102);">IE8、firefox 33.1 均只提交【1】次:</span>/aJoke.do -->
<!-- <input type="image" src="http://avatar.csdn.net/A/D/0/3_jackpk.jpg" onclick="<span style="background-color: rgb(255, 255, 102);">return true;</span>"/> -->
<!-- 以下写法,I<span style="background-color: rgb(255, 255, 102);">E8、firefox 33.1 均【无提交】 </span>-->
<!-- <input type="image" src="http://avatar.csdn.net/A/D/0/3_jackpk.jpg" onclick="<span style="background-color: rgb(255, 255, 102);">return false;</span>"/> -->
<!-- 以下写法,IE8、firefox 33.1 均提交【1】次:/aJoke.do -->
<input type="submit" value="input_submit"/>
</form>
</body>
</html>