JavaScript部分
var popoverTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="popover"]'));
var popoverList = popoverTriggerList.map(function (popoverTriggerEl) {
return new bootstrap.Popover(popoverTriggerEl,{
html: true
})
});
document.getElementById("popcart").setAttribute('data-bs-content', '<h5>Cart for your items in my shopping cart</h5>');
HTML部分
<button type="button" class="btn btn-secondary cart mx-2" id="popcart" data-bs-toggle="popover" title="Your cart" data-bs-content="And here's some amazing content. It's very engaging. Right?">
Cart(<span id="cart">0</span>)
我试图在 HTML 中的
<h5>
中显示 JavaScript 中的 data-bs-content
内容
当您创建
popoverTriggerList
时,您可以设置其中包含的值。如果您将修改数据集属性的调用移至之前,它将起作用。
document.getElementById("popcart").setAttribute('data-bs-content', '<h5>Cart for your items in my shopping cart</h5>');
var popoverTriggerList = [].slice.call(document.querySelectorAll('[data-bs-toggle="popover"]'));
var popoverList = popoverTriggerList.map(function(popoverTriggerEl) {
return new bootstrap.Popover(popoverTriggerEl, {
html: true
})
});
<link href="//cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet">
<script src="//cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js"></script>
<button type="button" class="btn btn-secondary cart mx-2" id="popcart" data-bs-toggle="popover" title="Your cart" data-bs-content="And here's some amazing content. It's very engaging. Right?">
Cart(<span id="cart">0</span>)
</button>