The attr() CSS function is used to retrieve the value of an attribute of the selected element and use it in the stylesheet. It can also be used on pseudo-elements, in which case the value of the attribute on the pseudo-element's originating element is returned....was last modified on Dec 14, 2024 by . View this page on GitHub...
This post takes a look at what page visibility is, how you can use the Page Visibility API in your applications, and describes pitfalls to avoid if you build features around this functionality....Visibility API Brian Smith May 10, 2024 6 minute read Checking document...
The same-origin policy is a critical security mechanism that restricts how a document or script loaded by one origin can interact with a resource from another origin....was last modified on Sep 23, 2024 by . View this page on GitHub...
は HTML の要素で、非言語的に注釈があることを示す方法で表示する行内テキストの区間を示します。これは既定で単純な実線の下線として表示されますが、 CSS を使用して変更することもできます。...This page was last modified on 2024年8月21日 by . View this page on...
The preload value of the element's rel attribute lets you declare fetch requests in the
HTML's , specifying resources that your page will need very soon, which you want to start loading early in the page lifecycle,
before browsers' main rendering machinery kicks in. This ensures they are available earlier and are less likely to block the page's render, improving performance. Even though the name contains the term load, it doesn't load and execute the script but only schedules it to be downloaded and cached with a higher priority....was last modified on Nov 21, 2024 by . View this page on GitHub...