Because I'm doing this in TypeScript, I'm able to take advantage of the TypeScript datatyping support to specify a datatype for my cust parameter (it's expecting a Customer object) and what my ...

The world wide web basically runs on JavaScript, HTML, and CSS. Unfortunately, JavaScript lacks several features that would help developers use it for large-scale applications. Enter TypeScript.

TypeScript was once born out of necessity to compensate for JavaScript's greatest weaknesses. For years now, it has been an almost indispensable tool in web development, always slightly ahead of ...

TypeScript 7.0 became stable on July 8, 2026 — and for most of the tens of millions of professional web developers who depend on it daily, a single npm install -D typescript command now cuts build ...