nullish node 14 vs 13

node 13.12.0

❯ node
Welcome to Node.js v13.12.0.
Type ".help" for more information.
> const a = null ?? 1
const a = null ?? 1
                ^

Uncaught SyntaxError: Unexpected token '?'

node 14.2.0

❯ node
Welcome to Node.js v14.2.0.
Type ".help" for more information.
> const a = null ?? 1
undefined
> a
1

つかえたー

GitHub - nodenv/nodenv-update: A nodenv plugin to update nodenv and installed plugins.GitHub

べんりだった(nodenvにnodenv自身のupdateコマンドを追加する)

# install
mkdir -p "$(nodenv root)"/plugins
git clone https://github.com/nodenv/nodenv-update.git "$(nodenv root)"/plugins/nodenv-update

# usage
nodenv update