JavaScript Introduction
JavaScript Introduction
Section titled “JavaScript Introduction”JavaScript is the core programming language of the web and an important language for server-side development, tooling, scripting, and cross-platform application work.
Where JavaScript Runs
Section titled “Where JavaScript Runs”JavaScript is no longer just a browser language.
Today it commonly runs in:
- browsers
- Node.js
- build and automation tooling
- edge and serverless runtimes
Why JavaScript Matters
Section titled “Why JavaScript Matters”JavaScript matters because it sits close to the user interface, the browser platform, and much of the web ecosystem.
That makes it a language you often need even if your primary backend stack is something else.
What This Section Focuses On
Section titled “What This Section Focuses On”- core runtime behavior
- modern ECMAScript language features
- everyday application patterns
- release-oriented feature history