This method returns the current value of a form control. A string is returned for most controls; only multiple select boxes return an array of values. The global shortcut for this method is $F().
Syntax:
formElement.getValue();
Return Value :
It returns an string or array of strings.
Example:
Following is the example to show how a control receives focus:
<html>
<head>
<title>Prototype examples</title>
<script type="text/javascript"
src="/javascript/prototype.js">
</script>
<script>
function showResult()
{
var value = $('age').getValue();
alert("Returned value is : " + value );
}
</script>
</head>
<body>
<p>Click the button to see the result.</p>
<br />
<form id="example" action="#" onsubmit="return false">
<fieldset><legend>User info</legend>
<div><label for="username">Username:</label>
<input name="username" id="username" value="Sai" type="text">
</div>
<div><label for="age">Age:</label>
<input name="age" id="age" value="23" size="3" type="text">
</div>
<div><label for="hobbies">Your hobbies :</label>
<select name="hobbies" id="hobbies" multiple="multiple">
<option>coding</option>
<option>swimming</option>
<option>hiking</option>
<option>drawing</option>
</select></div>
</fieldset>
</form>
<br />
<input type="button" value="Toggle" onclick="showResult();"/>
</body>
</html>