复制代码 代码如下:

<form action="http://www.jb51.net" id="form">

<input type="text" />

<input type="submit" />

</form>

<script>

var code = function () {

return false;

};

var element = window.document.getElementById("form");

if (element.addEventListener) {

element.addEventListener("submit", code, false);

}

</script>

修改后的Code:

复制代码 代码如下:

<form action="http://www.jb51.net" id="form">

<input type="text" />

<input type="submit" id="btnSubmit" name="btnSubmit" value="Submit" />

</form>

<script>

var code = function (eventObject) {

if (eventObject.preventDefault) {

eventObject.preventDefault();

} else if (window.event) /* for ie */ {

window.event.returnValue = false;

}

return true;

};

window.onload = function(){

var element = window.document.getElementById("form");

if (element.addEventListener) {

element.addEventListener("submit", code, false);

} else if (element.attachEvent) {

element.attachEvent("onsubmit", code);

}

}

</script>

备注:

1:preventDefault函数的使用请参考 https://developer.mozilla.org/en/DOM/event.preventDefault

2:DOM Events :http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-Event-preventDefault