This keyword doubt

#1

can u explain me how this keyword works in js with some example and with its functionality

#2

In simple language, this refers to object a variable/function/data belongs to. For eg:
const person = {
firstName: “John”,
lastName: “Doe”,
id: 5566,
fullName : function() {
return this.firstName + " " + this.lastName;
}
};
console.log(person.fullName);
Try using the above example without this, you will see it does not console anything because firstname and lastname do not exist in function but after using this it refers to object and prints output.

#3

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