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Closer in JavaScript

Shoaib Dev answered on April 18, 2023 Popularity 8/10 Helpfulness 3/10

answer Closer in JavaScript

Closer in JavaScript

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// Closer in JS
function outer() {
    let a = 10;
    var b = 20;
    console.log(a, b);
    let inner = function () {
        console.log("inner =", a, b)
    }
    return inner;
}
let result = outer();
// console.log('result: ', result);
result();


outer();// us can call the function here
console.log(a, b);// U cannot log these value because var is block scope variable

Popularity 8/10 Helpfulness 3/10 Language javascript

Source: Grepper

Tags: javascript

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Contributed on Apr 18 2023

Shoaib Dev

0 Answers Avg Quality 2/10

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