//this refer to global object or window object
//but when we call this inside method of object it refers to current object
console.log(this===window)//true
let user = {
name: "Shirshak",
age: 25,
sayHi() {
// "this" is the "current object"
console.log(this.name); //print shirshak
}
};
let user = {
name: "John",
age: 30,
sayHi() {
// "this" is the "current object"
alert(this.name);
}
};
user.sayHi(); // John// this keyword
// This keyword belongs to the object it belongs to
// (1).Alone, this refers to the global object.
// (2).In a regular function,this refers to the global object.
// (3).In a method, this refers to the owner object.
// 1
console.log(this);
// 2
function abc() {
console.log(this);
}
abc();
// 3
const obj = {
name: "Abhishek",
no: 1,
sum: function (a, b) {
console.log("hello sum", a + b);
console.log("this:::", this);
console.log("this name:::", this.name);
},
};
obj.sum(4, 3);const user = {
name: 'Mike';
call() {
console.log(this);
}
}
user.call();
// ⚙️ Output: {name: 'Mike, call: f}var Backbone = {};
Backbone.a = "aaa";
Backbone.b = "bbbb";
Backbone.c = "ccccc";
Backbone.t = function()
{
console.log(this);
}
function clickMe()
{
Backbone.t();
/*console.log(this) is Backbone object (remember how "this" is "whoever owns the function"*/
const person = {
firstName: "John",
lastName : "Doe",
id : 5566,
fullName : function() {
return this.firstName + " " + this.lastName;
}
};