Pre-select multiple select option in jQuery

Description

The following code shows how to pre-select multiple select option.

Example


<html>
<head>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){<!--  w  ww.jav a2 s . c  o m-->
$("#single").val("Single2");
$("#multiple").val(["Multiple2", "Multiple3"]);
$("input").val(["check1","check2", "radio1" ]);
});
</script>
<style>
.selected { color:red; }
.highlight { background:yellow; }
</style>
</head>
<body>
<body>
<select id="single">
<option>1</option>
<option>2</option>
</select>
<select id="multiple" multiple="multiple">
<option selected="selected">Multiple</option>
<option>Multiple2</option>
<option selected="selected">Multiple3</option>
</select><br/>

<input type="checkbox" name="checkboxname" value="check1"/> check1
<input type="checkbox" name="checkboxname" value="check2"/> check2
<input type="radio"  name="r" value="radio1"/> radio1
<input type="radio"  name="r" value="radio2"/> radio2
</body>
</html>

Click to view the demo

The code above generates the following result.

Pre-select multiple select option in jQuery

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