使用复选框的输入更改按钮的颜色 [英] Using input from checkbox to change color of button

问题描述

我有5行30个按钮的绿色按钮。点击按钮时弹出模态。里面的模态是一个复选框。当复选框被选中时，我需要它所在的按钮更改为红色。我试过几件事，但他们没有工作。任何想法？

I have 5 rows of 30 buttons of green buttons. A modal pops up when a button is clicked. Inside the modal is a checkbox. When the checkbox is checked, I need the button it's in to change to a red color. I've tried a few things, but they haven't worked. Any ideas?

HTML：

            <button type="button" class="btn btn-primary btn-xs gridbtn" data-toggle="modal" data-target="#myModal">number</button>

            <!-- Modal -->
            <div class="modal fade" id="myModal" role="dialog">
                <div class="modal-dialog">

                    <!-- Modal content-->
                    <div class="modal-content">
                        <div class="modal-header">
                            <button type="button" class="close" data-dismiss="modal">&times;</button>
                            <h4 class="modal-title">Testing</h4>
                        </div>
                        <div class="modal-body">
                            <form role="form">
                                <div class="form-group">
                                    <label for="email">Email address:</label>
                                    <input type="email" class="form-control" id="email">
                                </div>
                                <div class="form-group">
                                    <label for="pwd">Password:</label>
                                    <input type="password" class="form-control" id="pwd">
                                </div>
                                <div class="checkbox">
                                    <label><input type="checkbox"> Remember me</label>

                                </div>
                                <button type="submit" class="btn btn-default">Submit</button>
                            </form>
                        </div>
                        <div class="modal-footer">
                            <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                        </div>
                    </div>
                </div>
            </div>

推荐答案

HTML：

向所有不同的按钮添加ids

Add ids to all your different buttons

<button id="btn1" type="button" class="btn btn-primary btn-xs gridbtn" data-toggle="modal" data-target="#myModal">number</button>
<button id="btn2" type="button" class="btn btn-primary btn-xs gridbtn" data-toggle="modal" data-target="#myModal">number</button>
<button id="btn3" type="button" class="btn btn-primary btn-xs gridbtn" data-toggle="modal" data-target="#myModal">number</button>

向您的复选框添加类

<div class="checkbox callback-to-button">

JS：

$('#myModal').on('show.bs.modal', function (event) {
  var button = $(event.relatedTarget); // Button that triggered the modal
  $(this).find('.modal').attr('data-triggered', $(button).attr('id'));
})

$('.callback-to-button').click(function() {
    var target = $(this).closest('.modal').attr('data-triggered');
    if ($(this).find('[type=checkbox]').prop('checked')) {
        $('#'+target).css('background-color', 'red');
    }
    else {
        $('#'+target).css('background-color', '');
    }
});

查看操作：此处

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