2019-06-20
1652
Faraz Kelhini
2724
Jun 20, 2019 ⋅ 5 min read

5 ES2019 features you can use today

Faraz Kelhini JavaScript developer.

Recent posts:

the replay october 8

The Replay (10/8/25): Data enrichment, CSS is back, TypeScript 5.9

Discover what’s new in The Replay, LogRocket’s newsletter for dev and engineering leaders, in the October 8th issue.

Matt MacCormack
Oct 8, 2025 ⋅ 30 sec read
Goodbye, messy data: An engineer’s guide to scalable data enrichment

Goodbye, messy data: An engineer’s guide to scalable data enrichment

Walk through building a data enrichment workflow that moves beyond simple lead gen to become a powerful internal tool for enterprises.

Alexandra Spalato
Oct 8, 2025 ⋅ 6 min read

DesignCoder and the future of AI-generated UI

From sketches to code in minutes, DesignCoder shows how AI-generated, hierarchy-aware UIs could change the way developers prototype and ship apps.

Rosario De Chiara
Oct 7, 2025 ⋅ 5 min read

Should you use if() functions in CSS?

It’s 2025, and CSS finally thinks logically. The if() function brings real conditional styling — no hacks, no JS workarounds. Here’s how to use it right.

Ikeh Akinyemi
Oct 7, 2025 ⋅ 16 min read
View all posts

2 Replies to "5 ES2019 features you can use today"

  1. I think we can also use the keyword Infinity to flatten the array regardless of depth as
    [1,2,3,[4,5],6,[7,8,[9]]].flat(Infinity) //1,2,3,4,5,6,7,8,9

Leave a Reply