jQuery UI API -: tabbable Selector
category
Selector (Selectors) | the UI core (UI Core)
usage
Description: Choose Users tab key focus element can pass.
Some elements itself is focused through the tab key (tabbable), while other elements need to explicitly set a positive tab index. In both cases, in order to focus through the tab key (tabbable), the element must be visible.
The following types of elements without having a negative tab index and has not been disabled, is focused through tab key (tabbable): input , select , textarea , button and object . If the anchor with href or positive tabindex attribute, is focused (tabbable) through the tab key. area elements If a named map, and with a href attribute, and there is a visible image using the map, it is focused through tab key (tabbable). All other based solely on tabindex element attributes and visibility is focused through tab key (tabbable).
NOTE: tab element with a negative index is :focusable , not :tabbable .
Examples
Select the tab key focus through the elements, and highlighted with a red border.
<! Doctype html>
<Html lang = "en">
<Head>
<Meta charset = "utf-8">
<Title>: tabbable Selector Examples </ title>
<Link rel = "stylesheet" href = "// code.jquery.com/ui/1.10.4/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/1.10.4/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>