How to Check if an Object is Empty in JavaScript

Learn how to determine if a variable corresponds to an empty object. If you need to check whether a value is equal to an empty object created using the object literal syntax const emptyObject = {}, there are several ways to do it. One method is by using the Object.entries() function, which returns an array containing the enumerable properties of an object. By calling Object.entries(objectToCheck), you can check if it returns an empty array....

How to Empty a JavaScript Array

In JavaScript, there are multiple approaches to emptying an array. This blog post will discuss a couple of commonly used methods for clearing an array and emptying all its elements. Method 1: Setting the Array Length The easiest way to empty a JavaScript array is by setting its length to 0. This method works for both const and let declarations. Here’s an example: const list = ['a', 'b', 'c']; list.length = 0; By changing the length of the array to 0, all its elements are automatically removed....