Es10 tutorials
Es10, also known as ECMAScript 2019, is the most recent javascript language to be released in 2019.
ES10. TC39 is the approving committee to add features to javascript. The same features already ported to javascript engines like V8(Nodejs) and spidermonkey
Prerequisite:
Basic Javascript with programming experience required.
Latest ES10 Features
The following is the list of latest javascript features in 2019.
| Feature | Description |
|---|---|
BigInt primitive Type | Introduced BigInt to accommodates arbitary precission data |
Dynamic Import | Imports modules at runtime or conditional expression |
well formed JSON stringify | JSON stringify is enhanced to support unicode characters |
Array.Flat[flatMap] method | Introduced Flat methods in Array |
String.trimStart[trimEnd,matchAll] | Trim start and end methods |
Object.fromEntries | fromEntries in object supports |
Standardized globalThis object | Enables Unified access to global object across multiple devices |
Function.prototype.toString | toString is new method introduced |
Symbol.prototype.description | description property introduced to debug symbol objects |
Optional catch binding | Allows to optional catch binding |