Core/API/jQuery - Sample Code
jQuery.fn.extend(object)
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<script src="/jquery/js/jquery.js"></script>
<script>
jQuery.fn.extend({
check: function(){
return this.each(function(){this.checked=true;});
},
uncheck: function(){
return this.each(function(){this.checked=false;});
}
});
$(document).ready(function(){
$("#check-all").click(function(){
$("input[@type=checkbox]").check();
});
$("#uncheck-all").click(function(){
$("input[@type=radio]").uncheck();
});
});
</script>
<body>
<form>
<div>
<input type="button" id="check-all" value="check all" />
<input type="checkbox" />
<input type="checkbox" />
<input type="checkbox" />
<input type="checkbox" />
</div>
<div>
<input type="button" id="uncheck-all" value="uncheck all" />
<input type="radio" name="r1" />
<input type="radio" name="r1" />
<input type="radio" name="r1" />
<input type="radio" name="r1" />
</div>
</form>
</body>
</html>
[実行結果]