Using jQuery, how can I get the input element that has the caret's (cursor's) focus?
Or in other words, how to determine if an input has the caret's focus?
// Get the focused element: var $focused = $(':focus'); // No jQuery: var focused = document.activeElement; // Does the element have focus: var hasFocus = $('foo').is(':focus'); // No jQuery: elem === elem.ownerDocument.activeElement;
Which one should you use? quoting the jQuery docs:
As with other pseudo-class selectors (those that begin with a ":"), it is recommended to precede :focus with a tag name or some other selector; otherwise, the universal selector ("*") is implied. In other words, the bare
$(':focus')is equivalent to
$('*:focus'). If you are looking for the currently focused element, $( document.activeElement ) will retrieve it without having to search the whole DOM tree.
The answer is:
And if you want a jQuery object wrapping the element: