JavaScript cheat sheet | Documentation & Cheat Sheet

Events

addEventListener()

Learn how to use addEventListener() in JavaScript.

#javascript#events

Arrays

Array.filter()

Learn how to use Array.filter() in JavaScript.

#javascript#arrays

Arrays

Array.find()

Learn how to use Array.find() in JavaScript.

#javascript#arrays

Arrays

Array.forEach()

Learn how to use Array.forEach() in JavaScript.

#javascript#arrays

Arrays

Array.includes()

Learn how to use Array.includes() in JavaScript.

#javascript#arrays

Arrays

Array.map()

Learn how to use Array.map() in JavaScript.

#javascript#arrays

Arrays

Array.pop()

Learn how to use Array.pop() in JavaScript.

#javascript#arrays

Arrays

Array.push()

Learn how to use Array.push() in JavaScript.

#javascript#arrays

Arrays

Array.reduce()

Learn how to use Array.reduce() in JavaScript.

#javascript#arrays

Functions

Arrow Functions

Learn how to use Arrow Functions in JavaScript.

#javascript#functions

Async

async / await

Learn how to use async / await in JavaScript.

#javascript#async

Classes

class

Learn how to use class in JavaScript.

#javascript#classes

Fundamentals

const Statement

Learn how to use const Statement in JavaScript.

#javascript#fundamentals

Objects

Destructuring Assignment

Learn how to use Destructuring Assignment in JavaScript.

#javascript#objects

DOM

document.createElement()

Learn how to use document.createElement() in JavaScript.

#javascript#dom

DOM

document.getElementById()

Learn how to use document.getElementById() in JavaScript.

#javascript#dom

DOM

document.querySelector()

Learn how to use document.querySelector() in JavaScript.

#javascript#dom

DOM

document.querySelectorAll()

Learn how to use document.querySelectorAll() in JavaScript.

#javascript#dom

DOM

Element.classList

Learn how to use Element.classList in JavaScript.

#javascript#dom

Modules

export

Learn how to use export in JavaScript.

#javascript#modules

Async

fetch() API

Learn how to use fetch() API in JavaScript.

#javascript#async

Control Flow

for Loop

Learn how to use for Loop in JavaScript.

#javascript#control flow

Control Flow

if...else

Learn how to use if...else in JavaScript.

#javascript#control flow

Modules

import

Learn how to use import in JavaScript.

#javascript#modules

Data

JSON.stringify / parse

Learn how to use JSON.stringify / parse in JavaScript.

#javascript#data

Fundamentals

let Statement

Learn how to use let Statement in JavaScript.

#javascript#fundamentals

Collections

Map

Learn how to use Map in JavaScript.

#javascript#collections

Objects

Object.entries()

Learn how to use Object.entries() in JavaScript.

#javascript#objects

Objects

Object.keys()

Learn how to use Object.keys() in JavaScript.

#javascript#objects

Objects

Object.values()

Learn how to use Object.values() in JavaScript.

#javascript#objects

Objects

Optional Chaining (?.)

Learn how to use Optional Chaining (?.) in JavaScript.

#javascript#objects

Async

Promises

Learn how to use Promises in JavaScript.

#javascript#async

Collections

Set

Learn how to use Set in JavaScript.

#javascript#collections

Async

setInterval()

Learn how to use setInterval() in JavaScript.

#javascript#async

Async

setTimeout()

Learn how to use setTimeout() in JavaScript.

#javascript#async

Objects

Spread Syntax (...)

Learn how to use Spread Syntax (...) in JavaScript.

#javascript#objects

Control Flow

switch Statement

Learn how to use switch Statement in JavaScript.

#javascript#control flow

Fundamentals

Template Literals

Learn how to use Template Literals in JavaScript.

#javascript#fundamentals

Error Handling

try...catch

Learn how to use try...catch in JavaScript.

#javascript#error handling

Control Flow

while Loop

Learn how to use while Loop in JavaScript.

#javascript#control flow