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2ality – JavaScript and more

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Latest posts

Last updated about 1 month ago

Ecma International approves ECMAScript 2025: What’s new?

about 1 month ago

On 25 June 2025, the 129th Ecma General Assembly approved the ECMAScript...

Tips for making regular expressions easier to use in JavaScript

about 1 month ago

In this blog post, we explore ways in which we can make...

TypeScript: checking Map keys and Array indices

about 1 month ago

JavaScript has two common patterns Maps: We check the existence of a...

TypeScript: supporting the new class Iterator at the type level

about 1 month ago

In ECMAScript 2025, JavaScript gets a class Iterator with iterator helper methods...

Styling console text in Node.js

3 months ago

In this blog post, we explore how we can style text that...

Converting values to strings in JavaScript

3 months ago

Converting values to strings in JavaScript is more complicated than it might...

Deploying TypeScript: recent advances and possible future directions

4 months ago

In this blog post we look at The current best practice for...

Ideas for making TypeScript better at testing types

4 months ago

In this blog post, we examine how we can test types in...

Could JavaScript have synchronous await?

4 months ago

In JavaScript, code has color: It is either synchronous or asynchronous. In...

The TypeScript compiler is being ported to Go and gets 10 times faster

5 months ago

Today’s announcement by Microsoft [...] we’ve begun work on a native port...

Unions and intersections of object types in TypeScript

5 months ago

In this blog post, we explore what unions and intersections of object...

My sales pitch for TypeScript

5 months ago

Roughly, TypeScript is JavaScript plus type information. The latter is removed before...