標籤：js 阻止表單提交方法
<body> <form action="clock.html" method="post" onsubmit="return checkLength()"> <p>name:<input type="text" name="user" id="user"></p> <input type="submit" id="submit" name="submit"> </form></body></html>
html頁面。
第一種方法：利用event的阻止預設事件機制，頁面載入之後獲得submit元素，然後為submit註冊click響應函數，參數為event事件。
在使用者點擊submit觸發響應函數後，直接event.preventDefault();阻止表單轉跳的預設事件。
第二種方法：在表單form標籤下屬性onsubmit="return checkLength()"（ie能實現，Google不能實現）或 id="submit"的input標籤下添加屬性 checkLength()"
function 函數中 阻止 form提交 return false;
阻止 函數中代碼向下執行 return;
本文出自 “Exist” 部落格，請務必保留此出處http://exist.blog.51cto.com/10305882/1955967
Js 阻止表單提交方法
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