Revision: 58724
Initial Code
Initial URL
Initial Description
Initial Title
Initial Tags
Initial Language
at July 30, 2012 21:52 by timsommer
Initial Code
var SingletonTester = (function () {
// options: an object containing configuration options for the singleton
// e.g var options = { name: 'test', pointX: 5};
function Singleton(options) {
// set options to the options supplied or an empty object if none provided.
options = options || {};
//set the name parameter
this.name = 'SingletonTester';
//set the value of pointX
this.pointX = args.pointX || 6;
//set the value of pointY
this.pointY = args.pointY || 10; }
// this is our instance holder
var instance;
// this is an emulation of static variables and methods
var _static = {
name: 'SingletonTester',
// This is a method for getting an instance
// It returns a singleton instance of a singleton object
getInstance: function (options) {
if (instance === undefined) {
instance = new Singleton(options);
}
return instance;
}
};
return _static;
})();
var singletonTest = SingletonTester.getInstance({
pointX: 5
});
console.log(singletonTest.pointX); // outputs 5
Initial URL
Initial Description
In conventional software engineering, the singleton pattern can be implemented by creating a class with a method that creates a new instance of the class if one doesn't In conventional software engineering, the singleton pattern can be implemented by creating a class with a method that creates a new instance of the class if one doesn't
Initial Title
Javascript Static Singleton Pattern
Initial Tags
javascript
Initial Language
JavaScript