jQuery查找类并获取值 [英] jquery find class and get the value

问题描述

我正在尝试获取输入文本字段的值.

I am trying to get the value of an input text field.

HTML是:

<div id="start">
    <p>
        <input type="text" class="myClass" value="my value" name="mytext"/>
    </p>
</div>

jquery是:

var myVar = $("#start").find('.myClass').val();

问题是myVar出现未定义状态.有人知道为什么吗?

The problem is that myVar is coming up undefined. Does anyone know why?

推荐答案

类选择器以点为前缀.您的.find()丢失了，因此jQuery认为您正在寻找<myClass>元素.

Class selectors are prefixed with a dot. Your .find() is missing that so jQuery thinks you're looking for <myClass> elements.

var myVar = $("#start").find('.myClass').val();

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