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In this article, we are going to learn what is the difference between the Javascript REST and Spread. ES6 introduced the three dots(…) syntax in the Javascript and can be used depending upon the context, as a REST or Spread operator. In short, REST collects all the remaining elements into an array while Spread operator allows arrays/objects/strings to be expanded into single arguments/elements. Now let’s understand deeply how this works and how they make your coding life simple. Javascript REST Parameter Javascript Rest Parameter is a collection of all the remaining elements into an array. It allows us to represent…

If you are starting in the web development, maybe you haven’t heard about the functional programming. Functional programming has been making prominent space in the field of web development. It will help you to write more precise and clean code which is easy to understand, refactor and test. There is some javascript array method available by using them you can achieve the functional programming easily in Javascript. In this article, we are going to learn the big three javascript array methods which simplify your codebase and increase your productivity. Here, we are going to learn about the best use case…

Closure In JavaScript is one of the hardest concepts to grasp for the JavaSript Developers. Coding in the JavaScript without knowing about the closure is like driving a car without knowing it’s driving features. If you are preparing for the interview for the mid-level position in any company then this is one of their favourite questions for javascript developers. Companies like Amazon, Google, Apple also asked so many problems related to JavaScript Closures. So this is the most important topics in the JavaScript. If you have a fear of closure in JS then after reading this article, you will become…

While working with the arrays sometimes we need to filter the array based on the condition. Most of the beginners in the web development still follow the traditional for loop and then apply a condition to filter the array. But In JavaScript, arrays have lots of handy and useful methods which makes the developer’s life so easy. JavaScript filter method is one of them. In this article, we are going to learn about the JavaScript filter method. We will learn how to use the filter method of the JavaScript into the code so that code looks like written by a…

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