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History of JavaScript

JavaScript was created in 1995 by Brendan Eich at Netscape Communications. Originally developed in just 10 days, its main goal was to add interactivity to web pages.

💡 Key Fact

JavaScript was initially named "Mocha", then "LiveScript", before finally being called "JavaScript".

JavaScript quickly became the standard scripting language for the web and was adopted by other browsers, leading to rapid evolution and new features.

Timeline Highlights
YearEvent
1995JavaScript created by Brendan Eich at Netscape
1996JavaScript submitted to ECMA for standardization
1997ECMAScript 1 released as the first standard
1999ECMAScript 3 introduced many core features
2009ECMAScript 5 standardized, adding strict mode and JSON support
2015ECMAScript 6 (ES6) brought major syntax improvements

ECMAScript is the official specification that defines JavaScript, maintained by ECMA International. Every modern JavaScript engine follows this standard.

Illustration of History of JavaScript
Illustration of History of JavaScript

💡 Why It Matters

JavaScript's rapid growth and continuous improvements have made it the dominant language for client-side web development and beyond.

Modern JavaScript is now used not only in browsers but also on servers, mobile apps, and even desktop applications, showcasing its versatility.

⚠️ Beware of Confusing JavaScript with Java

Despite the name similarity, JavaScript and Java are completely different languages with distinct use cases and syntax.

📌 Deep Dive: Early JavaScript Syntax

JAVASCRIPT
function greet(name) {
  return "Hello, " + name + "!";
}
console.log(greet("World"));
Output
Hello, World!
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