When we create the JavaScript function within another function and the inner function can access to all the variable of outer function. How to create closure in javascript Example 1: function outerFunction(a) { var intial = 5; function innerFunction(b) { console.log(a + b + (++intial)); // It will return the 20. } innerFunction(10); } outerFunction(4); // Pass an argument 4 Output is 20...
