Every Year EMMA International releases new features to JavaScript.
ES14 is new version released in June 2023
What’s new in ES14?
The following four features are released in ES14.
- Array find elements from last
---
title: W3schoolsio ES14 Array Last Methods
---
%%{init: {"flowchart": {"htmlLabels": false}} }%%
flowchart TD
markdown["`**ES14(ECMAScript2023)**`"]
array["`**Array.prototype**`"]
findlast["`**findLast** Method`"]
findlastindex["`**findLastIndex** Method`"]
markdown --> array
array --> findlast
array --> findlastindex
- Hashbang Shebang Grammar
---
title: W3schoolsio ES14 Array immutable Methods
---
%%{init: {"flowchart": {"htmlLabels": false}} }%%
flowchart TD
markdown["`**ES14(ECMAScript2023)**`"]
hashbang["`**Hashbang** Grammar`"]
markdown --> hashbang
- WeakMap allows Symbol keys
---
title: W3schoolsio ES14 Array immutable Methods
---
%%{init: {"flowchart": {"htmlLabels": false}} }%%
flowchart TD
markdown["`**ES14(ECMAScript2023)**`"]
hashbang["`**WeakMap Symbol Keys**`"]
markdown --> hashbang
- Immutable Array methods
graph TD
arrays(findLast and findLastIndex)
hashbang(Hashbang Grammar)
symbols(Symbols in WeakMap keys)
arraycopy(Array by copy methods)
ES14 ==> arrays
ES14 ==> hashbang
ES14 ==> symbols
ES14 ==> arraycopy
click arrays "/macos-tutorials" "Apple MacOS tutorials and examples" _blank
List of features Released in ECMAScript 2023
What is the latest ES version of JavaScript?
Latest Version is ECMAScript 2023 released on June 2023. It added four features to JavaScript language.
ES14 JavaScript release date
ECMAScript 2023 completed propsals for Stage 4 and Released on June 2023.
ES14 Browser support
Chrome supports the features Since version 110.