Selects elements which the user can focus via tabbing.
Some elements are natively tabbable, while others require explicitly setting a positive tab index. In all cases, the element must be visible in order to be tabbable.
Elements of the following type are tabbable if they do not have a negative tab index and are not disabled: input, select, textarea, button, and object. Anchors are focusable if they have an href or positive tabindex attribute. area elements are focusable if they are inside a named map, have an href attribute, and there is a visible image using the map. All other elements are tabbable based solely on their tabindex attribute and visibility.
Note: Elements with a negative tab index are :focusable, but not :tabbable.
jQuery( ":tabbable" )
Examples:
Select tabbable elements and highlight them with a red border.
<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>tabbable demo</title>
<link rel="stylesheet" href="//code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.css">
<style>
input {
border: 1px solid #000;
}
div {
padding: 5px;
}
</style>
<script src="//code.jquery.com/jquery-1.10.2.js"></script>
<script src="//code.jquery.com/ui/1.11.4/jquery-ui.js"></script>
</head>
<body>
<div><input value="no tabindex"></div>
<div><input tabindex="5" value="positive tabindex"></div>
<div><input tabindex="-1" value="negative tabindex"></div>
<script>
$( ":tabbable" ).css( "border-color", "red" );
</script>
</body>
</html>
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