JavaScript VS ES6

Compare JavaScript VS ES6 and see what are their differences

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JavaScript

Lightweight, interpreted, object-oriented language with first-class functions

ES6

The next version of JavaScript

Landing page //
2023-08-05

We recommend LibHunt JavaScript for discovery and comparisons of trending JavaScript projects.

Landing page //
2019-08-09

JavaScript

Website: developer.mozilla.org

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ES6

Website: 262.ecma-international.org

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JavaScript features and specs

Wide Browser Support
JavaScript is supported by all modern web browsers without the need for any plugins, making it highly versatile for client-side scripting.
Asynchronous Programming
JavaScript supports asynchronous programming with features like callbacks, Promises, and async/await, which helps in efficiently handling tasks such as HTTP requests.
Rich Ecosystem and Libraries
The JavaScript ecosystem includes a vast amount of libraries and frameworks like React, Angular, Vue, and Node.js, which streamline development processes.
Community Support
JavaScript has a large and active community, providing extensive resources, documentation, and forums for troubleshooting and development advice.
Event-Driven
The language is inherently event-driven, making it suitable for developing interactive web applications that react to user inputs.
Full-Stack Development
With the advent of Node.js, JavaScript can be used for both client-side and server-side development, enabling full-stack development using a single language.

Possible disadvantages of JavaScript

Security Issues
Being an interpreted language that runs in the browser, JavaScript code is visible to the user, making it susceptible to security risks such as Cross-Site Scripting (XSS).
Browser Compatibility
While JavaScript itself is widely supported, different browsers may implement JavaScript functions and standards differently, leading to compatibility issues.
Performance
JavaScript is generally slower than compiled languages such as C++ or Java. Heavy computations can lead to performance bottlenecks.
Single Inheritance
JavaScript uses prototypal inheritance instead of classical inheritance, which can be confusing for developers coming from object-oriented programming backgrounds.
Dynamic Typing
JavaScript's dynamic typing can lead to runtime errors that are hard to debug, as variable types are checked at runtime rather than during compilation.
Fragmentation
The ecosystem has many competing libraries, frameworks, and tools, which can make it overwhelming for developers to choose the right technologies for their projects.

ES6 features and specs

Arrow Functions
Enable a more concise syntax for writing function expressions, and automatically bind the context, which simplifies working with 'this'.
Template Literals
Allow embedding expressions and using multi-line strings, improving string manipulation and readability.
Destructuring Assignment
Provides a clear and concise way to extract values from arrays and objects, leading to cleaner and more readable code.
Classes
Bring a more familiar object-oriented approach to JavaScript, offering syntactic sugar over JavaScript's prototype-based inheritance.
Modules
Facilitate code organization by allowing the import and export of modules, enabling better modularity and reusability.
Promises
Introduce a simpler way to deal with asynchronous operations, making it easier to handle errors and work with callbacks.
let and const
Introduce block-level scoping to variables, reducing the likelihood of bugs associated with hoisting and variable scope issues.

Possible disadvantages of ES6

Compatibility Issues
Some environments, especially older browsers, may not fully support ES6, requiring transpilation to ES5 with tools like Babel.
Learning Curve
Developers familiar with ES5 may need time to adapt to new syntax and features, potentially slowing down immediate productivity.
Babel Required for Older Browsers
To ensure browser compatibility, projects often require Babel or similar tools to transpile ES6 code to ES5, adding complexity to the build process.
Complexity in Tooling
ES6 introduces new tools and build systems like Webpack, which can be complex to configure for beginners.

JavaScript videos

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Learn JavaScript in 7 minutes | Create Interactive Websites | Code in 5

ES6 videos

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2020 NIO ES6 Review and Test Drive in Xi'an Shaanxi China

Category Popularity

0-100% (relative to JavaScript and ES6)

ES6

Programming Language

89 89%

Programming Language

11% 11

OOP

90 90%

OOP

10% 10

Generic Programming Language

91 91%

Generic Programming Language

9% 9

Languages

100 100%

Languages

0% 0

User comments

Share your experience with using JavaScript and ES6. For example, how are they different and which one is better?

Reviews

These are some of the external sources and on-site user reviews we've used to compare JavaScript and ES6

JavaScript Reviews

Top 10 Rust Alternatives

In simple words, the main goal of JavaScript is to develop web pages and is used for authentication procedures. Some of the pros of using JavaScript as an alternative to Rust are follows.

Source: blog.back4app.com

Top 15 jQuery Alternatives To Know

ExtJS, as the name suggests, stands for Extended JavaScript. As an offering from Sencha, it depends on YahooUserInterface. ExtJS helps in creating data intensified HTML5 apps with JavaScript. It consists of a huge collection of customizable and high-performance widgets that assist in creating cross-platform mobile and web apps, for any type of modernized device.

Source: www.spec-india.com

The 10 Best Programming Languages to Learn Today

JavaScript skills are always in high demand – most of the world's top websites and apps rely on JavaScript in one way or another. Plus, JavaScript is a great springboard for learning more complex programming languages.

Source: ict.gov.ge

ES6 Reviews

We have no reviews of ES6 yet.
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Social recommendations and mentions

Based on our record, ES6 seems to be more popular. It has been mentiond 17 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

JavaScript mentions (0)

We have not tracked any mentions of JavaScript yet. Tracking of JavaScript recommendations started around Mar 2021.

ES6 mentions (17)

A comprehensive guide to JavaScript generators
Generators were first introduced in ES6 and have since become a fundamental part of the language. They are defined using the function keyword suffixed with an asterisk like: function*. Here’s an example:. - Source: dev.to / 5 months ago
Common JavaScript Mistakes Developers Make
Block scope: Introduced in ES6 (ECMAScript 2015), block scope allows you to declare variables with the let and const keywords within specific code blocks defined by curly braces, such as if statements, loops, and arrow functions. This provides even more precise control over variable accessibility and helps prevent unwanted side effects. - Source: dev.to / 10 months ago
You're parsing URLs wrong.
But JavaScript didn't always have a good way to construct and parse URLs built in. The URL object was first included in the ECMAScript 2015 specs. - Source: dev.to / about 1 year ago
Time, Space and Complexity
The ECMAScript 2015 (ES6) standard introduced the concept of "proper tail calls" (PTC), which mandates that compliant JavaScript engines must implement TCO for tail calls. PTC ensures that a function call in tail position does not increase the call stack size, thus allowing for potentially infinite recursive calls in constant stack space. - Source: dev.to / over 1 year ago
Var, Let , Const - Javascript basics
Let was introduced in ES6ECMAScript2015. It is Block Scoped, any code written within {} is said to be in a Block. So, that's the restriction that ECMA wanted to implement with let, making variables inaccessible outside the block. - Source: dev.to / about 1 year ago