在JavaScript中,阻止表单默认提交行为的方法有两种,分别是:
(1) return false
示例代码
<form name=loginForm action=login.aspx method=post>
<button type=submit value=Submit id=submit>Submit</button>
</form>
[removed]
var submitBtn = document.getElementById(submit);
submitBtn.onclick = function (event) {
alert(