Destructuring gives us a way to exact data from a data structure like an object. Assume we have an array and we want to store the value in different variables. Let’s see how we do in ES5. This is a inconvenient...
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This is one more new addition to Javascript in ES6. Let’s assume we have an array have birthYear and a function to calculate age(our previous example). *in map method we have access to the current element, the...
In previous blogs, we have seen that to achieve data privacy in ES5 we should be using IIFE. However, Blocks and variables like let and const makes our job easier in ES6. Let’s have a look at it. A block is not...
In ES6 there are 2 new ways by which we can declare a variable. Let’s discuss about them in detail. For ES6 we will use a index.html, with some colors which will help us understand ES6 in a more better way in upcoming...
IIFE also known as Immidiately Invoked Function Expressions. Let’s understand this with help of an example. Consider we want to build a game. In this game we win a game if score >=5<9 and lose the game if score...
A function is an instance of Object TypeA function behaves like any other objectWe can store function in a variableWe can pass a function as an argument to another functionWe can return a function from a function In Javascript...
The major difference between primitives and Objects is that variables containing primitives hold the data inside of the variable itself. In case of objects, this is not the case. Variable associated with objects, do not...
In this blog we will have a detailed look at how to create objects using Function constructor. Function constructor is just a blueprint from which instances are created. In the previous blog we have seen how we created john...
Everything is an object in Javascript. It is not 100% correct. There are few exceptions to it as well, which we will focus on in this blog. In Javascript we have 2 different types of...
Let’s write a simple code to understand Hoisting. We have been writing functions and calling it. Let’s do this in some other way. Here I have called the function first and then declared it. And got an output as...