JavaScript also created a closure code example
Example 1: javascript closure
function makeAdder(x) {
return function(y) {
return x + y;
};
}
var add5 = makeAdder(5);
var add10 = makeAdder(10);
console.log(add5(2)); // 7
console.log(add10(2)); // 12
Example 2: closure in javascript
A closure is a function bundeled together with its lexical scope