- Prototype - Home
- Prototype - Short Overview
- Prototype - Useful Features
- Prototype - Utility Methods
- Prototype - Element Object
- Prototype - Number Processing
- Prototype - Strings Processing
- Prototype - Array Processing
- Prototype - Hash processing
- Prototype - Basic Object
- Prototype - Templating
- Prototype - Enumerating
- Prototype - Event Handling
- Prototype - Form Management
- Prototype - JSON Support
- Prototype - AJAX Support
- Prototype - Expressing Ranges
- Prototype - Periodical Execution
Prototype - get() Method
This method is used to the value of the hash key's property.
Syntax
hash.get(key);
Return Value
Returns a value corresponding to a paased key.
Example
<html>
<head>
<title>Prototype examples</title>
<script type = "text/javascript" src = "/javascript/prototype.js"></script>
<script>
function showResult() {
var h = new Hash({ a: 'apple', b: 'banana', c: 'coconut' });
alert("Value of a : " + h.get('a') );
// -> 'apple'
alert("Value of b : " + h.get('b') );
// -> 'banana'
alert("Value of d : " + h.get('d') );
// -> undefined
}
</script>
</head>
<body>
<p>Click the button to see the result.</p>
<br />
<br />
<input type = "button" value = "Result" onclick = "showResult();"/>
</body>
</html>
Output
prototype_hash_processing.htm
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