我如何从中找到课程

<div class="sidebar-toggle sidebar-collapse" id="sidebar-collapse">
    <i class="ace-icon fa fa-angle-double-right" data-icon2="ace-icon fa fa-angle-double-right" data-icon1="ace-icon fa fa-angle-double-left"></i>
</div>


我想找到ace-icon fa fa-angle-double-right
我已经试过了

    var sidebar_collapse = document.getElementById("sidebar-collapse");
    $(sidebar_collapse).on('click', function () {
        var angel_double_right = $(sidebar_collapse).find('.ace-icon fa fa-angle-double-right');
        if (angel_double_right) {
            alert("yeah has class");
            $(ticksign).css('display', 'none');
        }
    });


但是没有用。每次都会提醒

最佳答案

访问孩子,然后获取类名:



document.write(JSON.stringify(document.getElementById("sidebar-collapse").children[0].className));

<div class="sidebar-toggle sidebar-collapse" id="sidebar-collapse">
    <i class="ace-icon fa fa-angle-double-right" data-icon2="ace-icon fa fa-angle-double-right" data-icon1="ace-icon fa fa-angle-double-left"></i>
</div>

关于javascript - 查找类(class)名称,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/29910465/

10-12 12:28
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