Checks if the browser tab of the page is focused.
Document.hidden
property, introduced by the Page Visibility API to check if the browser tab of the page is visible or hidden.const isBrowserTabFocused = () => !document.hidden;
isBrowserTabFocused(); // true
JavaScript, Browser
Checks if the bottom of the page is visible.
JavaScript, Browser
Checks if the given element is focused.
JavaScript, Browser
Redirects the page to HTTPS if it's currently in HTTP.