What is JavaScript?
What is TypeScript?
TypeScript vs. JavaScript: The Key Differences to Know
- TypeScript: TypeScript was released in the year 2012.
- JavaScript: TypeScript was released in the year 1995.
- TypeScript: Compiles to JavaScript.
- JavaScript: It is an independent language.
- TypeScript: Static Typing along with strongly typed.
- JavaScript: Dynamic typing with weakly typed.
- TypeScript: Programmers can’t run it on the web browsers.
- JavaScript: Programmers can run the code directly on the web browsers.
- TypeScript: Little difficult to learn hence learning curve is steep.
- JavaScript: Easy to understand, learn and implement.
- TypeScript: The community is still in the growing phase.
- JavaScript: Large community with active resources.
- TypeScript: Documentation is not as expected.
- JavaScript: Detailed documentation.
- TypeScript: Best for large-scale projects.
- JavaScript: Best for small projects.
TypeScript vs JavaScript 2022
Is TypeScript worth learning in 2022?
By being in the industry for more than a decade we believe learning is always worthwhile. Also, as you have seen the popularity of TypeScript is keep on rising and when you learn any leading or growing technology, it always boosts your career.
TypeScript vs JavaScript Performance
Developers are quite aware of the fact; JS takes a lot of time for execution and is the slowest language whereas TypeScript executes quickly.
If we keep only performance as a parameter, TypeScript is better than JavaScript because it runs faster from the aspect of speed as well as scaling of the devices.
When should you go with JS:
- The size of the project is small.
- They need build tools.
- Strong test workflow.
- They have type dependencies.
When should you go with TS (TypeScript):
- The project size is big.
- Code needs proper management.
- Developers need precise defining via typing.
TypeScript vs JavaScript code example
Code is written in JavaScript:
function getPassword(clearTextPassword) {
if(clearTextPassword) {
return 'password';
}
return '********';
}
let password = getPassword('false'); // "password"
Code is written in JavaScript:
function getPassword(clearTextPassword: boolean) : string {
if(clearTextPassword) {
return 'password';
}
return '********';
}
Conclusion
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