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javascript Programming Glossary: this.bHow do I check to see if an object has a property in Javascript? http://stackoverflow.com/questions/135448/how-do-i-check-to-see-if-an-object-has-a-property-in-javascript Object1 prop function Class this.a undefined this.b null this.c false Class.prototype a undefined b true c true..
Instantiating a JavaScript object by calling prototype.constructor.apply http://stackoverflow.com/questions/181348/instantiating-a-javascript-object-by-calling-prototype-constructor-apply I can do this with my own class function Foo a b this.a a this.b b this.toString function return this.a this.b var foo new Foo.. a b this.a a this.b b this.toString function return this.a this.b var foo new Foo 1 2 Foo.prototype.constructor.apply foo 4 8..
does javascript's this object refer to newly created object in the way i think http://stackoverflow.com/questions/19055948/does-javascripts-this-object-refer-to-newly-created-object-in-the-way-i-think a constructor function function ObjectCreate this.a a this.b b ObjectCreate.prototype.show function alert this.a this.b obj1.. this.b b ObjectCreate.prototype.show function alert this.a this.b obj1 new ObjectCreate now the first thing new keyword does is.. You can check yourself function ObjectCreate this.a a this.b b alert obj1 yields undefined ObjectCreate.prototype.show function..
How do I get the name of an object's type in JavaScript? http://stackoverflow.com/questions/332422/how-do-i-get-the-name-of-an-objects-type-in-javascript multiple inheritance function a this.foo 1 function b this.bar 2 b.prototype new a b inherits from a Things now don't work.. true let's add some prototypical inheritance function Bar this.b 2 Foo.prototype new Bar obj new Foo obj instanceof Object true..
Self-references in object literal declarations http://stackoverflow.com/questions/4616202/self-references-in-object-literal-declarations following to work in JavaScript var foo a 5 b 6 c this.a this.b Doesn't work In the current form this code obviously throws.. something like var foo a 5 b 6 init function this.c this.a this.b return this .init This would be some kind of one time initialization..
Javascript dynamic variable name http://stackoverflow.com/questions/5117127/javascript-dynamic-variable-name Activation Object . For instance function foobar this.a 1 this.b 2 var name window 'a' undefined alert name name this 'a' 1 alert.. undefined and 1 respectively. If we would replace this.a 1 this.b 2 with var a 1 b 2 Both alert outputs would be undefined. In..
Parse JSON String into a Particular Object Prototype in JavaScript http://stackoverflow.com/questions/5873624/parse-json-string-into-a-particular-object-prototype-in-javascript For example suppose you have function Foo this.a 3 this.b 2 this.test function return this.a this.b var fooObj new Foo.. Foo this.a 3 this.b 2 this.test function return this.a this.b var fooObj new Foo alert fooObj.test Prints 6 var fooJSON jQuery.parseJSON.. obj CONSTRUCTOR CAN BE OVERLOADED WITH AN OBJECT this.a 3 this.b 2 this.test function return this.a this.b IF AN OBJECT WAS PASSED..
Why is “this” in an anonymous function undefined when using strict? http://stackoverflow.com/questions/9822561/why-is-this-in-an-anonymous-function-undefined-when-using-strict to undefined . Example function myConstructor this.a 'foo' this.b 'bar' myInstance new myConstructor all cool all fine. a and..
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