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module2.html
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<!doctype html>
<html lang="en">
<head>
<title>JavaScript Patterns</title>
<meta charset="utf-8">
</head>
<body>
<script>
/* Title: Module Pattern
Description: all the methods are kept private and you only expose those that you decide at the end
*/
// create a namespace
YAHOO.namespace("myProject");
YAHOO.myProject.myModule = function () {
//"private" variables:
var myPrivateVar = "I can be accessed only from within YAHOO.myProject.myModule.";
//"private" method:
var myPrivateMethod = function () {
YAHOO.log("I can be accessed only from within YAHOO.myProject.myModule");
}
//return public methods
return {
myPublicProperty: "I'm accessible as YAHOO.myProject.myModule.myPublicProperty.",
myPublicMethod: function () {
YAHOO.log("I'm accessible as YAHOO.myProject.myModule.myPublicMethod.");
//Within myProject, I can access "private" vars and methods:
YAHOO.log(myPrivateVar);
YAHOO.log(myPrivateMethod());
//The native scope of myPublicMethod is myProject; we can
//access public members using "this":
YAHOO.log(this.myPublicProperty);
}
};
}(); // the parens here cause the anonymous function to execute and return
// Reference
// http://yuiblog.com/blog/2007/06/12/module-pattern/
</script>
</html>