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Jun 29, 2022 · 2 min read · In this article, I will cover the differences between var, let and const. Before ES6 you could only use var to define the variables. So, what are three different ways to define variables and what's the difference between in these? Before we understa...
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Jun 9, 2022 · 3 min read · In this blog, we will learn about the difference between arrow function and normal/regular function. What is Arrow function The arrow function is introduced in ES6 which is a more concise syntax for writing function expressions. It is also known as ...
Aamit commentedJan 11, 2022 · 2 min read · In JavaScript, there are couple of ways for checking equality. They might be do same exact thing, but there is one major difference between them which makes triple equal operator almost always better. Let's declare two variables and compare them usi...
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Aug 27, 2021 · 2 min read · Undefined undefined is global variable that created at run time in JavaScript. Whenever we declare any variable firstly JavaScript implicitly assign "undefined" that is special keyword which is kept inside the variable for time being until the variab...
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