What is the difference between “let” and “var”?
In JavaScript, let and var are both used to declare variables, but they have some important differences in terms of scope and behavior. The var keyword was used to declare…
Why let and var bindings behave differently using setTimeout function?
Why let and var bindings behave differently using setTimeout function? In JavaScript, setTimeout is a function that runs a callback function after a specified amount of time has passed. However,…
How can I add new array elements at the beginning of an array in JavaScript?
There are several ways to add new elements to the beginning of an array in JavaScript. Here are a few options: Use the unshift() method: let array = [1, 2,…