ES5 is an older version of JavaScript.
It is a standard that defines how JavaScript works.
ES2015
ES2015 is a newer version that improved ES5.
It added new features and made code easier to write and read.
TypeScript
TypeScript is a version of JavaScript with extra features.
It adds type checking to help avoid mistakes.
TypeScript code is converted into normal JavaScript so browsers can understand it.
Transpiler
A transpiler is a tool that converts new code into older JavaScript.
This is needed because not all browsers support the newest features.
Examples:
- Babel is a popular transpiler
- TypeScript also works as a transpiler
Simple Idea
- ES5 is old JavaScript
- ES2015 is improved JavaScript
- TypeScript is safer JavaScript
- Transpiler converts modern code into browser-compatible code
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