Modals have been an vital a part of web sites for 20 years. Stacking contents and utilizing fetch to perform duties are an effective way to enhance UX on each desktop and cellular. Sadly most builders do not know that the HTML and JavaScript specs have carried out a local modal system by way of the popover attribute — let’s test it out!
The HTML
Making a native HTML modal consists of utilizing the popovertarget attribute because the set off and the popover attribute, paired with an id, to determine the content material ingredient:
<!-- "popovertarget" attribute will map to "id" of popover contents --> <button popovertarget="popover-contents">Open popover</button> <div id="popover-contents" popover>That is the contents of the popover</div>
Upon clicking the button, the popover will open. The popover, nonetheless, is not going to have a standard background layer coloration so we’ll have to implement that on our personal with some CSS magic.
The CSS
Styling the contents of the popover content material is fairly normal however we are able to use the browser stylesheet selector’s pseudo-selector to type the “background” of the modal:
/* contents of the popover */
[popover] {
background: lightblue;
padding: 20px;
}
/* the dialog's "modal" background */
[popover]:-internal-popover-in-top-layer::backdrop {
background: rgba(0, 0, 0, .5);
}
:-internal-popover-in-top-layer::backdrop represents the “background” of the modal. Historically that UI has been a component with opacity such to indicate the stacking relationship.
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