JS Scope, prototype chain

Source: Internet
Author: User

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functionFoo () {getName=function() {Console.log (' 1 ');    }; return  This;} Foo.getname=function() {Console.log (' 2 ');}; Foo.prototype.getName=function() {Console.log (' 3 ');};varGetName =function() {Console.log (' 4 ');};functionGetName () {Console.log (5);}  Foo.getname ();    GetName (); Foo (). GetName ();  GetName (); Newfoo.getname ();NewFoo (). GetName (); New NewFoo (). GetName ();

What is the output of the above code in the browser environment?

Answers and explanations

https://cnodejs.org/topic/5867d50d5eac96bb04d3e302

JS Scope, prototype chain

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