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// Code Starts

function Person(name) {
 this.name = name;
 console.log(this.name); //Output 1 
 console.log(this); //Output 2 
}
var p1 = new Person("Object_Shashank");
var p2 = Person("Function_Shashank");

// Code Ends

p1 :

  • Output 1: Object_Shashank
  • Output 2: Person {name: "Object_Shashank"}

p2 :

  • Output 1: Function_Shashank
  • Output 2: Window {speechSynthesis: SpeechSynthesis, caches: CacheStorage, localStorage: Storage, sessionStorage: Storage, webkitStorageInfo: DeprecatedStorageInfo...}

Can someone please explain "p2: Output 2"

m87
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asked Feb 18, 2017 at 13:39
4

1 Answer 1

1

It prints the window object because the this references the window object.

function Person(name){ 
 this.name=name; 
 console.log(this.name); //Output 1 
 console.log(this); //Output 2 <-- this `this` will point to the object it belongs to , which in this case of p1 is Object_Shashank while for p2 is window
} 
var p1=new Person("Object_Shashank"); 
var p2=Person("Function_Shashank"); // Equivalent to p2 = window.Person("Function_Shashank")

Edit . Added the code example

answered Feb 18, 2017 at 13:53
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1 Comment

Thank You. It is helpful

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