检查数据属性值是否等于字符串

问题描述

我有一个元素，该元素在名为data-toggle-wmc的<button class="navbar-toggle">元素上具有我的自定义属性，并且我正在尝试检查该属性值是否等于一个名为collapse的字符串值，到目前为止，它仍然无法正常工作.

I have an element that has a my custom attribute on a <button class="navbar-toggle"> element called data-toggle-wmc and I am trying to check whether the attribute value equals a string value called collapse somehow it has not worked so far.

我尝试了以下

if ($('button.navbar-toggle').attr('data-toggle-wmc') === 'collapse') {
     alert('123yes');
} 

我也尝试过

if ($('button.navbar-toggle').attr('data-toggle-wmc') == 'collapse') {
     alert('123yes');
}

我查看了这个问题，但不知何故该条件没有得到满足. /p>

I looked at this question but somehow the condition is not being fullfilled.

推荐答案

尝试:

if ($('button.navbar-toggle').data('toggle-wmc') === 'collapse') ...

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