:radio Selector
radio selector
version added: 1.0jQuery(':radio')
Description: Selects all elements of type radio.
$(':radio') is equivalent to $('[type=radio]'). As with other pseudo-class selectors (those that begin with a ":") it is recommended to precede it with a tag name or some other selector; otherwise, the universal selector ("*") is implied. In other words, the bare $(':radio') is equivalent to $('*:radio'), so $('input:radio') should be used instead.
To select a set of associated radio buttons, you might use: $('input[name=gender]:radio')
Additional Notes:
- Because
:radiois a jQuery extension and not part of the CSS specification, queries using:radiocannot take advantage of the performance boost provided by the native DOMquerySelectorAll()method. For better performance in modern browsers, use[type="radio"]instead.
Example:
Finds all radio inputs.
<!DOCTYPE html>
<html>
<head>
<style>
textarea { height:25px; }
</style>
<script src="http://code.jquery.com/jquery-1.7rc2.js"></script>
</head>
<body>
<form>
<input type="button" value="Input Button"/>
<input type="checkbox" />
<input type="file" />
<input type="hidden" />
<input type="image" />
<input type="password" />
<input type="radio" name="asdf" />
<input type="radio" name="asdf" />
<input type="reset" />
<input type="submit" />
<input type="text" />
<select><option>Option<option/></select>
<textarea></textarea>
<button>Button</button>
</form>
<div>
</div>
<script>
var input = $("form input:radio").wrap('<span></span>').parent().css({background:"yellow", border:"3px red solid"});
$("div").text("For this type jQuery found " + input.length + ".")
.css("color", "red");
$("form").submit(function () { return false; }); // so it won't submit
</script>
</body>
</html>