install node js ubuntu
sudo apt-get install curl
curl -sL https://deb.nodesource.com/setup_13.x | sudo -E bash -
sudo apt-get install nodejs
# Check node version
node -v
# v13.9.0
# Also, check the npm version
npm -v
# 6.13.7install node js ubuntu
sudo apt-get install curl
curl -sL https://deb.nodesource.com/setup_13.x | sudo -E bash -
sudo apt-get install nodejs
# Check node version
node -v
# v13.9.0
# Also, check the npm version
npm -v
# 6.13.7linux install node
sudo apt install nodejsinstall nodejs from ubuntu 18.04
sudo bash nodesource_setup.shcreate an array from 1 to n javascript
Array.from(Array(10).keys())
//=> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
[...Array(10).keys()]
//=> [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
Array.from({length: 10}, (_, i) => i + 1)
//=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]javascript create array from 1 to n
// Javascript create array from 1 to n
[...Array(n+1).keys()].slice(1)
// E.g. for n = 10:
// [...Array(11).keys()].slice(1)
// => [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]Copyright © 2021 Codeinu
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