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2ality – JavaScript and more
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Latest posts
Last updated 12 days ago
Ecma International approves ECMAScript 2025: What’s new?
13 days ago
On 25 June 2025, the 129th Ecma General Assembly approved the ECMAScript...
Tips for making regular expressions easier to use in JavaScript
15 days ago
In this blog post, we explore ways in which we can make...
TypeScript: checking Map keys and Array indices
18 days ago
JavaScript has two common patterns Maps: We check the existence of a...
TypeScript: supporting the new class Iterator at the type level
21 days ago
In ECMAScript 2025, JavaScript gets a class Iterator with iterator helper methods...
Styling console text in Node.js
about 2 months ago
In this blog post, we explore how we can style text that...
Converting values to strings in JavaScript
2 months ago
Converting values to strings in JavaScript is more complicated than it might...
Deploying TypeScript: recent advances and possible future directions
3 months ago
In this blog post we look at The current best practice for...
Ideas for making TypeScript better at testing types
3 months ago
In this blog post, we examine how we can test types in...
Could JavaScript have synchronous await?
3 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
4 months ago
Today’s announcement by Microsoft [...] we’ve begun work on a native port...
Unions and intersections of object types in TypeScript
4 months ago
In this blog post, we explore what unions and intersections of object...
My sales pitch for TypeScript
4 months ago
Roughly, TypeScript is JavaScript plus type information. The latter is removed before...