我根本不懂JavaScript。Bootstrap文档说到
通过JavaScript调用modal: $('#myModal').modal(options)
我不知道如何在页面加载上调用这个。使用Bootstrap页面上提供的代码,我可以成功地在元素单击上调用模态,但我希望它立即在页面加载上加载。
我根本不懂JavaScript。Bootstrap文档说到
通过JavaScript调用modal: $('#myModal').modal(options)
我不知道如何在页面加载上调用这个。使用Bootstrap页面上提供的代码,我可以成功地在元素单击上调用模态,但我希望它立即在页面加载上加载。
当前回答
更新2020 -引导5
建立在优秀的回应从以前的答案,在Bootstrap 5没有jQuery,这已经工作;
document.querySelector('[data-target="#exampleModal"]').click();
完整的片段:
window.onload = () => { document.querySelector('[data-target="#exampleModal"]').click(); } <script src="https://stackpath.bootstrapcdn.com/bootstrap/5.0.0-alpha1/js/bootstrap.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js"></script> <link href="https://stackpath.bootstrapcdn.com/bootstrap/5.0.0-alpha1/css/bootstrap.min.css" rel="stylesheet" /> <div class="container py-3"> <!-- Button trigger modal --> <button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModal"> Launch demo modal </button> <!-- Modal --> <div class="modal fade" id="exampleModal" tabindex="-1" aria-labelledby="exampleModalLabel" aria-hidden="true"> <div class="modal-dialog"> <div class="modal-content"> <div class="modal-header"> <h5 class="modal-title" id="exampleModalLabel">Modal title</h5> <button type="button" class="close" data-dismiss="modal" aria-label="Close"> <span aria-hidden="true">×</span> </button> </div> <div class="modal-body"> ... </div> <div class="modal-footer"> <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button> <button type="button" class="btn btn-primary">Save changes</button> </div> </div> </div> </div> </div>
其他回答
这里有一个解决方案[没有javascript初始化!]
我找不到一个例子,没有初始化你的模式与javascript, $('#myModal').modal('show'),所以这里有一个建议,你可以实现它没有javascript延迟页面加载。
用类和样式编辑你的modal容器div:
<div class="modal in" id="MyModal" tabindex="-1" role="dialog" style=" font - family:宋体;padding-right: 17 px;" >
Edit your body with class and style: <body class="modal-open" style="padding-right:17px;"> Add modal-backdrop div <div class="modal-backdrop in"></div> Add script $(document).ready(function() { $('body').css('padding-right', '0px'); $('body').removeClass('modal-open'); $('.modal-backdrop').remove(); $('#MyModal').modal('show'); }); What will happen is that the html for your modal will be loaded on page load without any javascript, (no delay). At this point you can't close the modal, so that is why we have the document.ready script, to load the modal properly when everything is loaded. We will actually remove the custom code and then initialize the modal, (again), with the .modal('show').
使用Bootstrap 3和jQuery(2.2和2.3)进行测试
$(window).on('load',function(){
$('#myModal').modal('show');
});
<!-- Modal -->
<div class="modal fade" id="myModal" role="dialog">
<div class="modal-dialog">
<!-- Modal content-->
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal">×</button>
<h4 class="modal-title"><i class="fa fa-exclamation-circle"></i> //Your modal Title</h4>
</div>
<div class="modal-body">
//Your modal Content
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">Fechar</button>
</div>
</div>
</div>
</div>
https://jsfiddle.net/d7utnsbm/
更新2020 -引导5
建立在优秀的回应从以前的答案,在Bootstrap 5没有jQuery,这已经工作;
document.querySelector('[data-target="#exampleModal"]').click();
完整的片段:
window.onload = () => { document.querySelector('[data-target="#exampleModal"]').click(); } <script src="https://stackpath.bootstrapcdn.com/bootstrap/5.0.0-alpha1/js/bootstrap.min.js"></script> <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js"></script> <link href="https://stackpath.bootstrapcdn.com/bootstrap/5.0.0-alpha1/css/bootstrap.min.css" rel="stylesheet" /> <div class="container py-3"> <!-- Button trigger modal --> <button type="button" class="btn btn-primary" data-toggle="modal" data-target="#exampleModal"> Launch demo modal </button> <!-- Modal --> <div class="modal fade" id="exampleModal" tabindex="-1" aria-labelledby="exampleModalLabel" aria-hidden="true"> <div class="modal-dialog"> <div class="modal-content"> <div class="modal-header"> <h5 class="modal-title" id="exampleModalLabel">Modal title</h5> <button type="button" class="close" data-dismiss="modal" aria-label="Close"> <span aria-hidden="true">×</span> </button> </div> <div class="modal-body"> ... </div> <div class="modal-footer"> <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button> <button type="button" class="btn btn-primary">Save changes</button> </div> </div> </div> </div> </div>
你可能想要保持jquery.js延迟,以更快的页面加载。但是,如果jquery.js被延迟到$(window)。负载可能不工作。那么你可以试试
setTimeout(function(){$('#myModal').modal('show');},3000);
它会在页面完全加载后弹出你的模态(包括jquery)
在我的例子中,添加jQuery来显示模态不起作用:
$(document).ready(function() {
$('#myModal').modal('show');
});
这似乎是因为模态有属性aria-hidden="true":
<div class="modal fade" aria-hidden="true" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
需要删除该属性以及上面的jQuery:
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
请注意,我尝试将模态类从模态渐变更改为模态渐变,但这并不奏效。此外,将模态淡出类更改为模态显示类也阻止了模态关闭。