The "this" keyword: Introduction and Implicit Binding

InstructorTyler McGinnis

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In this lesson we introduce the "this" keyword in JavaScript as well as talk about "implicit binding" or the first rule in discovering what the "this" keyword is referencing.

Lucas
Lucas
~ 5 years ago

I tried doing the exact code you did, but it returns 'undefined', why?

var sayNameMixin = function(obj){
  obj.sayName = function(){
    console.log(this.name);
  };
};
var me = {
  name: 'Tyler',
  age: 25
};
var you = {
  name: 'Joey',
  age: 21
};

sayNameMixin(me);