Скачать или смотреть What's New in JavaScript ES2022

In this video we'll walk through the feature highlights in JavaScript (ECMAScript) for late 2022 and early 2023. These are the changes introduced to class fields, private fields, static class blocks, top-level await, the at method for indexable objects like arrays, the array findLast and findLastIndex methods, multiple indices in the RegExp exec method, the new object hasOwn method and the error cause property.

Contents:
0:00 Introduction
0:13 Class Field Changes
1:01 Private Fields
1:38 Static Blocks
1:58 Top-Level Await
2:21 New at() method
2:49 New findLast() and findLastIndex() methods
3:15 Regular Expressions Multiple Indices
3:38 New Object hasOwn() method
4:05 Error Cause
4:33 Conclusion

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#javascript #es2022