Javascript阻止表单提交
Html
1.<form name="loginForm" action="login.aspx" method="post">
2. <button type="submit" value="Submit" id="submit">Submit</button>
3.</form>
Js 第一种方法
1.<script>
2. var submitBtn = document.getElementById("submit");
3. submitBtn.onclick = function (event) {
4. alert("preventDefault!");
5. return false;
6. };
7.</script>
Js 第二种方法
1.<script>
2. var submitBtn = document.getElementById("submit");
3. submitBtn.onclick = function (event) {
4. alert("preventDefault!");
5. var event = event || window.event;
6. event.preventDefault(); // 兼容标准浏览器
7. window.event.returnValue = false; // 兼容IE6~8
8. };
9.</script>
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