Latest Javascript tutorials
Javascript is a popular language used for frontend and backend.
It was originally developed by the TC39 community.
What JavaScript is used for?
Javascript is a popular open-source interpreted language for developing applications for web desktop and mobile applications.
It is used in the front end for interactive elements on web pages And also can be used as a server-side to fetch data.
Front-end frameworks such as Angular, React, and Vuejs execute on the client on the browser.
Server-side such as NodeJS used to develop REST API to fetch and update data from the database layer, and it is executed on the server-side.
In Applications, HTML and CSS are used to display the UI elements on the browser, and Javascript is used to add interaction between UI elements as well as pages.
javascript uses.
- client side validations
- Responsive interactions to hide and show elements
- DOM elements manipulation to change the color, show, and hide
- Adding Animations to webpages for smooth UX
- Create web mobile and desktop applications including browser extensions.
- Game and NODEJS application server development
Javascript versions History
A complete history of Javascript versions from 1997 to the latest.
Is ECMAScript the same as JavaScript?
javascript is a general interpreter that runs on browsers.
ECMAScript is a set of protocols and rules defined by the organization.
Ecma International. It is a specification to be used and a complaint about new scripting languages.
To understand clearly, Ecmascript is an abstract or interface and javascript is a class that implements ECMAScript in OOPS context. ECMAScript is a blueprint and javascript is one of the scripting languages that follow the blueprint.
Javascript runs on the browser using the javascript engine. A browser such as Chrome uses a V8 Engine, Firefox uses SpiderMonkey and Safari uses an Apple engine, Which means each browser uses a different engine.
Whenever ECMAScript releases new features, The engine vendors need to implement the features to run on browsers. Based on the engine, javascript performance was decided.
Every year ECMAScript releases new versions with features.
The latest ECMAScript version is EcmaScript 2021 or ES12.
Which browser has the fastest JavaScript engine?
Following is the list of browsers used with the javascript engine
- Chrome - V8 Engine
- Firefox: Spider Monkey
- Safari: Apple Nitro Engine
- Opera: Carakan
- Edge: Chakra
- Internet Explorer: JScript
Javascript performance is one of the important things. Javascript is not only used in browsers but used in mobiles, desktops, and games. Chrome and Firefox are the most top-performance engines and are updated with the latest javascript features. V8 is the fastest engine in all javascript engines.
Following is rank in terms of performance Chrome -> Firefox -> Safari ->
Javascript latest version features list
It is an index page for the list of tutorials for JavaScript and EcmaScript.
| File Type | Description |
|---|---|
| ES6 | ES2016 tutorials features and examples |
| ES7 | ES2016 tutorials features and examples |
| ES8 | ES2017 tutorials features & examples |
| ES9 | EcmaScript2018 tutorials features & examples |
| ES10 | EcmaScript2019 tutorials features examples |
| ES11 | EcmaScript2020 OR ES2020 tutorials features examples |
| ES12 | EcmaScript2021 tutorials features & examples |
| ES13 | EcmaScript2022 tutorials features & examples |
| ES14 | Latest javascript features version released in 2023 |
What is the latest version of JavaScript?
ES12 or ES2021 is the latest version of the javascript programming language.
Javascript Functions
javascript language provides the following functions in the language.
- Lambda or Arrow Functions
- First Class Functions
- High Order Functions
- First Order Functions
- Unary Functions
- Currying Functions
- Pure Functions
- Impure Functions
First Class Functions in a programming language.
Functions are treated similarly to like variables. Variables can be assigned, assessed, and return from Functions. Similarly, Functions can be assigned, passed as an argument to a Function and Returned from a Function.
Following are First Class Functions examples
- Create a Function and assign it to Variables
Normal function is created and assigned to variables.
function add(a,b){
return a+b;
}
const result=add(10,20)
console.log(result)
In the below example, Created an anonymous function, also called functional expression, and assigned it to a variable.
Called the function and assigned the function as given below
const add=((a,b)=>a+b);
const result=add(10,20)
console.log(result)
- Passing Function as an argument or parameter
The below example passed the function with an argument to the calculator function.
These are also called callback functions.
const add=((a,b)=>a+b);
function calculator(a,b, fn) {
return fn(a,b);
}
let output=calculator(10,20,add);
console.log(output)
- Return function from a function
Below is a function that returns the function from a return statement.
function getMessage() {
return () => {
console.log("Welcome");
}
}
getMessage()();
Latest Articles
ES11 - Getting started
This tutorial covers latest Javascript features summary tutorials & examples in ES11 or ES2020 or EcmaScript2020 .
Posted December 31, 2023 by ‐ 1 min read
ES11 - matchAll
This tutorial covers the latest javascript features, matchall released in 2020. ES11 or ES2020 or EcmaScript2020 .
Posted December 31, 2023 by ‐ 1 min read
ES11 - Nullish Coalescing Operator
This tutorial covers the latest javascript features, Nullish Coalescing Operator released in 2020. ES11 or ES2020 or EcmaScript2020 .
Posted December 31, 2023 by ‐ 2 min read
ES11 - Optional Chaining Operator
This tutorial covers the latest javascript features, Optional Chaining Operator released in 2020. ES11 or ES2020 or EcmaScript2020 .
Posted December 31, 2023 by ‐ 4 min read
ES11 - Private variables
This tutorial covers the latest javascript features, and private variables released in 2020. ES11 or ES2020 or EcmaScript2020 .
Posted December 31, 2023 by ‐ 1 min read
ES11 - Static variables
This tutorial covers the latest javascript features, and private variables released in 2020. ES11 or ES2020 or EcmaScript2020 .
Posted December 31, 2023 by ‐ 1 min read
ES11 - Promise allSettled
This tutorial covers the latest javascript features, Promise allSettled released in 2020. ES11 or ES2020 or EcmaScript2020 .
Posted December 31, 2023 by ‐ 2 min read
ES13 - Tutorials
This tutorial covers latest new JavaScript features release in 2022. ES13 or ES2022 or EcmaScript2022 features .
Posted December 31, 2023 by ‐ 1 min read
ES2022 - .at() method
This tutorial covers the array.at() method to get the elements with negative index. How to get the first & last element from an array ES13.
Posted December 31, 2023 by ‐ 2 min read
ES2022 - Class Fields
This tutorial covers class public and private properties | latest new JavaScript features will release in 2022. ES13 or ES2022 or EcmaScript2022 features .
Posted December 31, 2023 by ‐ 2 min read
ES2022 - hasown method
This tutorial covers the class Object ES2022 hasOwn Static method with examples compared with hasOwnProperty method and checks an object has its own property .
Posted December 31, 2023 by ‐ 2 min read
ES2022 - Top-level await()
This tutorial covers the Top Level Await without async to load modules and plain script resource initialization, fallback case for error load modules.
Posted December 31, 2023 by ‐ 2 min read
ES2021 - Tutorials
This tutorial covers latest new JavaScript features will release in 2021. ES12 or ES2021 or EcmaScript2021 features .
Posted December 31, 2023 by ‐ 1 min read
ES2021 - Logical& Assignment Expressions
Learn ES12 features logical AND Assignment expression (&&=) logical OR assignment expression (||=) logical Double question operator assignment expression (??=)
Posted December 31, 2023 by ‐ 3 min read
ES2021 - Numeric Operators
ES12 features a numeric separator method - Applied Underscore separator to numeric, float, Hexa, octal,binary, and bigint literal, fraction, and exponent
Posted December 31, 2023 by ‐ 2 min read
ES2021 - Promise any & Race
Deep Dive into ES12 features a numeric separator method separator to numeric, float, Hexa, octa,binary, and bigint literal types, fraction, and exponent parts.
Posted December 31, 2023 by ‐ 2 min read
ES2021 - ReplaceAll method
This tutorial covers the latest javascript features, String prototype ReplaceAll method in ES12 or ES2021 or EcmaScript2021.
Posted December 31, 2023 by ‐ 2 min read
ES2021 - WeakRef Object
EcmaScript2021 features, deep understanding of weak, and strong references, and garbage collection using the WeakRef class and FinalizationRegistry examples.
Posted December 31, 2023 by ‐ 2 min read
ES7 - Tutorials
In this tutorial, Learn ES7 features - exponential operators and array includes, ES2016 latest javascript version.
Posted December 31, 2023 by ‐ 1 min read
ES7 - Class Properties
This tutorial covers ES7 Class properties variable with code examples.
Posted December 31, 2023 by ‐ 1 min read
ES7 Array includes
Learn the Array new method of ES7, ES2016 JavaScript to effortlessly check if an array contains a value and enhance program readability.
Posted December 31, 2023 by ‐ 3 min read
ES7 - Exponentiation Operator
This tutorial covers the exponential operator simple example and the Exponentiation Operator assignment introduced in ES7, ES2016 javascript.
Posted December 31, 2023 by ‐ 2 min read
ES1 - Tutorials
This tutorial covers latest new JavaScript summary of features will release in 2024. ES15 or ES2024 or EcmaScript2024 features .
Posted January 1, 0001 by ‐ 1 min read
ES15 - pipeline-operator
This tutorial covers pipeline operator introduced in the latest new JavaScript features released in 2024. ES15 or ES2024 or EcmaScript2024 features.
Posted January 1, 0001 by ‐ 1 min read
ES15 - Temporal API
This tutorial covers latest new JavaScript Temporal API Dat and time modern will release in 2024. ES15 or ES2024 or EcmaScript2024 features.
Posted January 1, 0001 by ‐ 1 min read
ES15 - Wellformed Unicode
This tutorial covers the latest new JavaScript features and wellformed unicode string methods released in 2024. ES15 or ES2024 or EcmaScript2024 features.
Posted January 1, 0001 by ‐ 2 min read
ES10 - Getting started
This tutorial covers latest javascript released in 2019. ES10 or ES2019 or EcmaScript2019 contains medium features.
Posted January 1, 0001 by ‐ 1 min read
ES10 - Array FlatMap
This tutorial shows Array class methods flat and FlatMap in ES2019 includes examples.
Posted January 1, 0001 by ‐ 2 min read
ES10 - Bigint type
This tutorial covers Bigint datatype introduced ES2019, Syntax Comparision Equality operator, Arithmetic, and type checking examples.
Posted January 1, 0001 by ‐ 3 min read
ES10 - Dynamic Import
This tutorial covers the Dynamic Import feature introduced in ES2019 with examples.
Posted January 1, 0001 by ‐ 2 min read
ES10 - globalThis
This tutorial covers globalThis access to global Objects uniformly introduced ES2019 with examples.
Posted January 1, 0001 by ‐ 2 min read
ES10 - javascript tostring
This tutorial covers the Function javascript toString method introduced ES2019 with examples and returns the string version of an object
Posted January 1, 0001 by ‐ 2 min read
ES10 - Optional Catch
This tutorial covers Catch error binding is optional feature introduced ES2019 eslint and babel support with examples.
Posted January 1, 0001 by ‐ 2 min read
ES10 - String Trim methods
This tutorial covers javascriptString Trim methods trim the start and trimEnd introduced ES2019 with examples.
Posted January 1, 0001 by ‐ 1 min read
ES10 - Symbol.Description
This tutorial covers Symbol Descriptions introduced ES2019 with examples.
Posted January 1, 0001 by ‐ 1 min read
ES10 - Object fromEntries
This tutorial covers Object fromEntries method in ES2019 Convert Array or map to object examples.
Posted January 1, 0001 by ‐ 2 min read
ES14 - Tutorials
This tutorial covers latest new JavaScript features released in 2023. ES14 or ES2023 or EcmaScript2023 features .
Posted January 1, 0001 by ‐ 1 min read
ES14 - Array Immutable methods
EcmaScript2023 features Array Change by Copy toRevesed,toSorted, toSpliced, and with methods. & Array Immutable methods tutorials
Posted January 1, 0001 by ‐ 4 min read
ES14 - Array Last
This tutorial covers latest new JavaScript features will release in 2023. ES14 or ES2023 or EcmaScript2023 features .
Posted January 1, 0001 by ‐ 2 min read
ES14 - Hashbang
This tutorial covers the latest new JavaScript features JavaScript Hashbang or Shebang grammar will release in 2023. ES14 or ES2023 or EcmaScript2023 features.
Posted January 1, 0001 by ‐ 1 min read
ES14 - Weakmap Symbol
This tutorial covers latest new JavaScript features will release in 2023. ES14 or ES2023 or EcmaScript2023 features .
Posted January 1, 0001 by ‐ 1 min read
ES8 - Getting Started
This tutorial covers the latest javascript features introduced in ES8, ES2017, and ECMAScript2017 of javascript summary.
Posted January 1, 0001 by ‐ 1 min read
ES8 - Object entries
ThiLearn the latest JavaScript features introduced in ES8 and ES2017 with practical examples of Object entries function in this comprehensive tutorial
Posted January 1, 0001 by ‐ 2 min read
ES8 - Object values
Learn the latest JavaScript features introduced in ES8 and ES2017 with practical examples of Object values function in this comprehensive tutorial
Posted January 1, 0001 by ‐ 1 min read
ES8 - String padding
This tutorial covers String padding latest javascript features introduced in ES8, ES2017.
Posted January 1, 0001 by ‐ 2 min read
ES8 - trailing commas
This tutorial covers trailing commas in function parameters and calls introduced to the latest javascript features, in ES8, and ES2017, with examples
Posted January 1, 0001 by ‐ 2 min read
ES8 - OwnPropertyDescriptor
This tutorial covers ES8 ObjectgetOwnPropertyDescriptors introduced to latest javascript features, in ES8, ES2017, with tutorials, examples
Posted January 1, 0001 by ‐ 2 min read
ES8 - Async Functions
Learn ES8 Async Functions with our comprehensive tutorial and examples, unlocking the latest JavaScript features
Posted January 1, 0001 by ‐ 1 min read
ES9 - Getting started
This tutorial covers latest javascript released in 2018. ES10 or ES2019 or EcmaScript2018 contains medium features.
Posted January 1, 0001 by ‐ 1 min read
ES9 - Promise Finally
This tutorial covers the promise API and finally a method to clean up code latest javascript in 2018. ES10 or ES2019 or EcmaScript2018 example .
Posted January 1, 0001 by ‐ 2 min read
ES6 - Tutorials
In this tutorial, Learn ES6 features ES2015 latest javascript version.
Posted December 31, 2023 by ‐ 2 min read
ES6 - Arrow & Lambda
Learn how to use Arrow and Lambda functions in ES2015 with our easy to follow JavaScript guide with arguments single body examples
Posted December 31, 2023 by ‐ 2 min read
ES6 - Class
In these tutorials, Learn ES6 const keyword features ES2015 latest javascript version.
Posted December 31, 2023 by ‐ 3 min read
ES6 - const keyword
In these tutorials, Learn ES6 let const keyword for variable with examples Difference between const and let variables in ES2015.
Posted December 31, 2023 by ‐ 3 min read
ES6 - Default Parameters
In these tutorials, Learn ES6 function Default Parameters assignments and destructuring syntax features ES2015 latest javascript version.
Posted December 31, 2023 by ‐ 2 min read
ES6 - Default Parameters
In this tutorials, Learn ES6 function Default Parameters features ES2015 latest javascript version.
Posted December 31, 2023 by ‐ 1 min read
ES6 - Destructuring
In these tutorials, Learn the ES6 Destructuring syntax on arrays, objects, deep nested in javascript with examples.
Posted December 31, 2023 by ‐ 2 min read
ES6 - Export Import
In these tutorials, Learn ES6 function Default Parameters features ES2015 latest javascript version.
Posted December 31, 2023 by ‐ 2 min read
ES6 - For of Loop
In this tutorials, Learn For of Loop in ES6 function Default Parameters features ES2015 latest javascript version.
Posted December 31, 2023 by ‐ 1 min read
ES6 - Let variable
In these tutorials, Learn Learn let keyword and const features ES2015 latest javascript version.
Posted December 31, 2023 by ‐ 3 min read
ES6 - Promise
In this tutorials, Learn ES6 function Default Parameters features ES2015 latest javascript version.
Posted December 31, 2023 by ‐ 1 min read
ES6 - Scopes
In this tutorials, Learn For of Loop in ES6 function Default Parameters features ES2015 latest javascript version.
Posted December 31, 2023 by ‐ 2 min read
ES6 - Spread Operator
In this tutorials, Learn ES6 JavaScript spread operator features ES2015 latest javascript version.
Posted December 31, 2023 by ‐ 3 min read
ES6 - Template Literal
In these tutorials, Tagged template and template literal syntax, multi line string in ES5 with examplesLearn ES6 features ES2015 latest javascript version.
Posted December 31, 2023 by ‐ 2 min read
ES6 - Array Functions
Learn ES6 Array functions create using literal, constructor and methods tutorials with examples ES2015.
Posted January 1, 0001 by ‐ 3 min read