What is reduce method? If you have used functional programming, then you might have come across reduce method a lot of times. reduce is one of the methods that follow the functional programming paradigm: it is predictable, we get the same output for...
Nullish Coalescing operator ?? nullish coalescing operator is represented by ?? This operator checks if the left operand is null or undefined and return the first value on the right if the left operand is one of these value why do we need this operat...
What is the destructuring syntax? As per MDN: The destructuring assignment syntax is a JavaScript expression that makes it possible to unpack values from arrays, or properties from objects, into distinct variables. Let's try to understand what that...
errors are encountered by programmers every day when writing. They are a crucial part of developers' life. Therefore understanding what is an error and what different types of error mean is very handy knowledge. What is an error? Errors in Javascript...
Comparing values is one of the most common tasks in programming. Have you ever wondered how comparison works in JavaScript? In javascript there are two ways to do comparisons: the equality operator (==) and the strict equality operator(===) the equal...
Have you ever wondered why the browser prints undefined after printing your message in the console? To understand this let us explore what the browser console is. What is the browser console? The console is a command line tool that is part of the bro...
