Awesome

vim-js

A Vim syntax highlighting plugin for JavaScript and Flow.js

Pros.

Better support for modern JavaScript features (decorators, private members, numeric separators, optional chaining, etc.)
Better support for Flow.js syntax
Better support for JSDoc syntax
More accurate syntax groups, for easy colorscheme customization

<img src="https://github.com/yuezk/vim-js/raw/3c69f3e3a2d2d9712dcc9c79b57dbff55a8455a6/screenshot.png" alt="yuezk/vim-js screenshot" width="694">

Install

Choose your favourite plugin manager (e.g. vim-plug)
Install it with Plug 'yuezk/vim-js'

Highlight JSX Syntax

Please use vim-jsx-pretty to highlight the JSX syntax. It's another plugin I currently maintain.

Plug 'maxmellon/vim-jsx-pretty'

License