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Students often ask why they should learn JavaScript. Big companies use TypeScript. Learning JavaScript feels like a waste of time. It is not. JavaScript is the base of TypeScript.
JavaScript started small. It added simple animations to web pages. Now we build huge apps. JavaScript checks for errors only when the code runs. This creates bugs for your users.
Microsoft created TypeScript to fix this. It adds static typing. TypeScript is a superset of JavaScript. All JavaScript code is valid TypeScript. Browsers only read JavaScript. A compiler translates TypeScript into JavaScript.
Compare the two. JavaScript lets you pass text into a math function. The user sees a bug. TypeScript marks the line red in your editor. It catches the mistake before you run the code.
Why use TypeScript?
- Better autocomplete in your editor.
- Easy updates to variable names.
- Fewer mistakes in team code.
Do not skip JavaScript. Browser tools show JavaScript during debugging. Logic like loops and promises are JavaScript. Learning both at once is too hard.
Follow these steps.
- Learn JavaScript basics first.
- Use TypeScript for larger projects.
The best TypeScript experts are great JavaScript developers.
Source: https://dev.to/it-wibrc/javascript-vs-typescript-le-guide-ultime-du-debutant-3c51