我如何知道表格是否被修改 [英] How do I know if a form has been modified

问题描述

我想知道是否仍然可以检查表单是否已修改.

I Would like to know if there is anyway I can check if a form has been modified.

例如如果其中一项输入已更改，我想显示一个按钮来提交更改.

eg. If one of the inputs has been changed I would like to display a button to submit the changes.

推荐答案

JQuery有一个更改"事件.所以做类似的事情:

There's a "change" event with JQuery. So doing something like :

$(document).ready(function() {
    $('form').change(function() {
        # Here you display your button
    }
}

可以完美运行(并且您的JavaScript仍然独立于html).

Will perfectly work (and your javascript remains independant from your html).

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