Microtasks and Macrotasks

Understand microtasks and macrotasks

AdvancedTopic: Advanced JS
Back

JavaScript Microtasks and Macrotasks Program

This program helps you to learn the fundamental structure and syntax of JavaScript programming.

Try This Code
console.log('1');
setTimeout(() => console.log('2'), 0);
queueMicrotask(() => console.log('3'));
Promise.resolve().then(() => console.log('4'));
console.log('5');
Output
1
5
3
4
2

Understanding Microtasks and Macrotasks

Microtasks execute before macrotasks.

Note: To write and run JavaScript programs, you need to set up the local environment on your computer. Refer to the complete article Setting up JavaScript Development Environment. If you do not want to set up the local environment on your computer, you can also use online IDE to write and run your JavaScript programs.

Table of Contents