数据属性变为整数 [英] Data attribute becomes integer

问题描述

查看这个简单示例在jsfiddle上

<div id ="a" data-siteid="00005">00005 turns into:</div>
<div id="b" data-siteid="S00005">S00005 turns into: </div>

代码

$('#a').append($('#a').data("siteid"));
$('#b').append($('#b').data("siteid"));

结果

00005 turns into:5
S00005 turns into: S00005

我想返回"00005"和"S00005".

I would like to return "00005" and "S00005".

推荐答案

尝试

$('#a').append($('#a').attr('data-siteid'));
$('#b').append($('#b').attr('data-siteid'));

来自jQuery文档

会尝试将字符串转换为JavaScript值(包括布尔值，数字，对象，数组和null)，否则会将其保留为字符串.要以字符串形式检索值的属性而不尝试对其进行任何转换，请使用attr()方法.

Every attempt is made to convert the string to a JavaScript value (this includes booleans, numbers, objects, arrays, and null) otherwise it is left as a string. To retrieve the value's attribute as a string without any attempt to convert it, use the attr() method.

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