JavaScript vs TypeScript
Posted 2023-05-26 21:10:06
0
8K
Difference between TypeScript and JavaScript
JavaScript and TypeScript look very similar, but there's one important distinction.
The key difference between JavaScript and TypeScript is that JavaScript lacks a type system. In JavaScript, variables can haphazardly change form, while TypeScript in strict mode forbids this. This makes TypeScript easier to manage and maintain, especially with a large codebase.
JavaScript vs. TypeScript example
TypeScript's type system has a minor impact on how variables are referenced and declared, yet it has a huge impact on maintainability and consistency.
For example, here is how to declare numeric- and text-based variables in JavaScript:
let foo = 1
let bar = "text"
bar = 123 // allowed in JavaScript
Here are the same variables declared and initialized in TypeScript:
let foo: number = 1
let bar: string = "text"
bar = 123 // not allowed in TypeScript
Site içinde arama yapın
Kategoriler
- Arts
- Business
- Computers
- Oyunlar
- Health
- Home
- Kids and Teens
- Money
- News
- Recreation
- Reference
- Regional
- Science
- Shopping
- Society
- Sports
- Бизнес
- Деньги
- Дом
- Досуг
- Здоровье
- Игры
- Искусство
- Источники информации
- Компьютеры
- Наука
- Новости и СМИ
- Общество
- Покупки
- Спорт
- Страны и регионы
- World
Read More
The Thrilling World of Handball: A Sport of Skill, Speed, and Strategy
Handball, a dynamic and fast-paced sport, combines the finesse of basketball, the physicality of...
Understanding Senior Health: Key Aspects of Wellness in Later Life
As people age, maintaining good health becomes a critical aspect of quality of life. Senior...
The Sound of Music (1965)
A young novice is sent by her convent in 1930s Austria to become a governess to the seven...
What are market-oriented environmental tools?
Key points
The three main categories of market-oriented environmental policies are...
How Can Businesses Handle Ethical Dilemmas?
In today's fast-paced and ever-evolving business world, ethical dilemmas are an inevitable...