closure 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();what is closure in javascript
function OuterFunction() {
var outerVariable = 100;
function InnerFunction() {
alert(outerVariable);
}
return InnerFunction;
}
var innerFunc = OuterFunction();Copyright © 2021 Codeinu
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