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PrototypeJS Class Example
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="utf-8" /> | |
<title>Prototype Classes</title> | |
<script src="//ajax.googleapis.com/ajax/libs/prototype/1.7.1.0/prototype.js"></script> | |
<script type="text/javascript"> | |
var myClass = Class.create( | |
{ | |
initialize : function(option) | |
{ | |
this.options = (option ? option : 0); | |
this.testme(); | |
}, | |
testme : function() | |
{ | |
this.options++; | |
}, | |
showme : function() | |
{ | |
alert(this.options); | |
return this.options; | |
} | |
}); | |
var myChildClass = Class.create(myClass, | |
{ | |
initialize : function($super,option) | |
{ | |
$super(option); | |
// the child class needs option's default value at 150 or whatever is | |
// passed so run the parent initialize first and then redefine the | |
// option property | |
this.option = (option ? option : 150); | |
// you can still run methods in the parent that are not overridden in | |
// the child | |
this.testme(); | |
} | |
}); | |
document.observe('dom:loaded',function(){ | |
var theClass = new myClass(200); | |
var child = new myChildClass(); | |
$('show_results').observe('click',function(e){ | |
theClass.showme(); | |
e.stop(); | |
}); | |
$('show_child_results').observe('click',function(e){ | |
child.showme(); | |
e.stop(); | |
}); | |
}); | |
</script> | |
</head> | |
<body> | |
<button id="show_results">Show Results</button><br /> | |
<button id="show_child_results">Show Child Results</button> | |
</body> | |
<!-- More Extensions at http://github.com/jwestbrook --> | |
</html> |
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