closures in javascript
// A closure is a function having access to the parent scope,
// even after the parent function has popped.
function greeting() {
let message = 'Hi';
function sayHi() {
console.log(message);
}
return sayHi;
}
let hi = greeting();
hi(); // still can access the message variableclosure in javascript
-->closure in javascript
//closure is the combination of function and the lexical enviornment in
//which the function is defined.closure give you access to the functions
//and variables outside the function.
function outer(){
const outerData ="outer";
function inner(){
const innerData="inner";
console.log(`${outerData} and{innerData}`);
}
inner();
}
outer();Copyright © 2021 Codeinu
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