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Featured in Development

Fearless Programming with Rust

Senyo Simpson discusses how Rust's core values lead to "fearless programming." He shares front-line experience with Rust, including its application in a high-performance proxy. He explores the language's strengths in predictability and correctness, while also acknowledging its complexities and providing guidance on when to choose Rust for long-term projects.

Fearless Programming with Rust

All in development

Architecture & Design

Featured in Architecture & Design

Test Smarter, Not Harder: Achieving Confidence in Complex Distributed Systems

Elias Nogueira shares a strategic approach to modern microservice testing, detailing solutions for three core challenges. He discusses parallel execution for multiple databases using Testcontainers, creating reliable, sharable mock environments with WireMock, and handling asynchronous event delays with Awaitility, offering a blueprint for senior engineers.

Test Smarter, Not Harder: Achieving Confidence in Complex Distributed Systems

All in architecture-design

AI Infrastructure

Featured in AI, ML & Data Engineering

MCP: the Universal Connector for Building Smarter, Modular AI Agents

In this article, the authors discuss Model Context Protocol (MCP), an open standard designed to connect AI agents with tools and data they need. They also talk about how MCP empowers agent development, and its adoption in leading open-source frameworks.

MCP: the Universal Connector for Building Smarter, Modular AI Agents

All in ai-ml-data-eng

Culture & Methods

Featured in Culture & Methods

Building a Resilient and Inclusive Engineering Culture with Matthew Card

In this podcast, Shane Hastie, Lead Editor for Culture & Methods, spoke to Matthew Card about his resilience framework (CAPSS - Confidence, Adaptability, Purpose, Social Support) which has helped him overcome career challenges and now guides him in building inclusive engineering cultures by empowering teams and breaking echo chambers.

Building a Resilient and Inclusive Engineering Culture with Matthew Card

All in culture-methods

Featured in DevOps

Extreme DevOps Automation

Sérgio Amorim shares how Revolut’s small DevOps team leverages a centralized systems catalog and automation to enable 1,300 engineers to build and deploy applications with speed and consistency. He explains how this approach reduces manual effort and improves observability, alerting, and database management at scale.

Extreme DevOps Automation

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InfoQ Homepage Guides TypeScript for C# Programmers

TypeScript for C# Programmers

Jul 22, 2013

by

Steve Fenton

About the Author

Steve Fenton has been working on large-scale JavaScript applications for over ten years. His background is in programming, writing software for trading portals, investment reconciliation systems, cloud contact centres and clinical decision support using a mixture of C# and web technologies and Agile methodologies. Steve is the author of the first book on TypeScript; "TypeScript for JavaScript Programmers", released to co-incide with the public release of the language on 1st October 2012.

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Due to the popularity of the open web, JavaScript is becoming an essential language and since 2009 it has been running on servers too thanks to NodeJS. The problem is that due to JavaScript's dynamic type system, it is hard to create great tooling around the language such as sensible auto-completion, refactoring support, type-checking and modularisation.
TypeScript is an open source lanaguage from Microsoft that solves this problem by introducing an optional type system and class-based object-orientation, which make great tooling for large applications possible.
TypeScript let's you write JavaScript that is robust enough for the enterprise and that can run in any browser, on any host and on any operating system.

Free download

Tabel of Contents

Compiling or Transpiling
Language Features
- TypeScript Files
- Types
- Modules, Classes and Interfaces
- Functions
- Enumerations
- Generics
Structural Typing
Access Modifiers
Memory Management
- Releasing Resources
Exceptions
Arrays
Dates
- Now
- Date Methods
Events
- Mouse Events
- Keyboard Events
- Object Events
- Form Events
- Custom Events
- Running Order
Framework
Creating Definitions
- Dynamic Declarations
- Type Declarations
Useful Tricks
- Obtaining Runtime Types
- Extending Native Objects

This content is in the Microsoft topic

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