closure in javascript
// closure in javascript
-> A closure gives you access to an outer function’s scope
from an inner function
const outerFun = (a) => {
let b = 10;
// inner func can use variable/parameter of outer funcion
const innerFun = () => {
let sum = a + b;
console.log(sum);
}
return innerFun;
}
let inner = outerFun(5);
inner();closure in javascript
function makeFunc() {
var name = 'Mozilla';
function displayName() {
alert(name);
}
return displayName;
}
var myFunc = makeFunc();
myFunc();closure in javascript
function OuterFunction() {
var outerVariable = 1;
function InnerFunction() {
alert(outerVariable);
}
InnerFunction();
}closure in javascript
A closure is a function bundeled together with its lexical scopeCopyright © 2021 Codeinu
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