First sub-task is a typical example of variable hoisting when variable is declared later. Second sub-task is an ordinary output of declared and defined variable. Third sub-task is another example of ...

Learn how to create a callback function in JavaScript and use it for various purposes, such as asynchronous programming, modularity, flexibility, and custom events.

JavaScript provides several built-in functions to format a date. However, these functions only convert the date to a format specific to each one. Let’s see how each formatting function works.

Task 1: Build a function-based console log message generator In this exercise, your task is to code a function named consoleStyler, which accepts four parameters: color background fontSize txt Inside ...

This latter function creates a Worker object called worker, which is configured with the worker.js file. To learn more about JavaScript promises, see 5 ways to use JavaScript promises .