Question

What is a JavaScript call() Method?

Answer 1

$\huge\bold{Answer}$

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What is a JavaScript call() Method?

»»» The call() method in javascript is the predefined method.

»»» It can be used to invoke (call) a method with an owner object as a parameter.

»»» With call(), an object can use a method belonging to another object.

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$\bold{Eg}$:-

var person = {

fullName: function() {

return this.firstName + " " + this.lastName;

}

}

var person1 = {

firstName:"John",

lastName: "Doe"

}

var person2 = {

firstName:"Mary",

lastName: "Doe"

}

person.fullName.call(person1); // Will return "John Doe"

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