Steps to install nodejs on Raspberry Pi B+ (armv6)

install-nodejs-on-raspberrypi-armv6.md

Steps to install nodejs v6.2 on Raspberry Pi B+ (armv6)

cd ~
wget http://nodejs.org/dist/v6.2.1/node-v6.2.1-linux-armv6l.tar.gz
tar -xzf node-v6.2.1-linux-armv6l.tar.gz
node-v6.2.1-linux-armv6l/bin/node -v

The last command should print v6.2.1.

Now you can copy it to /usr/local

cd node-v6.2.1-linux-armv6l/
sudo cp -R * /usr/local/

For testing add /usr/local/bin to your path

export PATH=$PATH:/usr/local/bin
node -v
npm -v

This should print 6.2.1 and 3.9.3 for the versions of nodejs and npm. If you need a different version, just pick the one you like from the downloads.

Don't forget to add the PATH to your .bashrc to make it permanent.

To find the correct architecture, you can type uname -m

#Source http://raspberrypi.stackexchange.com/a/48313

working on Raspi B3:
https://nodejs.org/dist/v16.10.0/node-v16.10.0-linux-armv7l.tar.xz

For Pi Zero W with arm6l this v16.17.0 worked for me.
wget https://unofficial-builds.nodejs.org/download/release/v16.17.0/node-v16.17.0-linux-armv6l.tar.gz

even 19.1.0 worked.

Per @dkossman 's comment, you can use that repository with nvm to easily manage installed nodejs versions. First you need to set repo variable with export NVM_NODEJS_ORG_MIRROR=https://unofficial-builds.nodejs.org/download/release Then, you can run nvm ls-remote to see available versions and nvm install v15.2.1 to install nodejs version 15.2.1.

Thank you @sa1d ! This definately solved a big issue. Those old raspberries are no longer supported by Node. Using this method helped nvm quickly install the right version on my Pi B+. Now running latest version of Node.js.

Confirmed working for 20.7.0 on Pi Zero W

wget https://unofficial-builds.nodejs.org/download/release/v20.7.0/node-v20.7.0-linux-armv6l.tar.gz
tar -xzf node-v20.7.0-linux-armv6l.tar.gz
cd node-v20.7.0-linux-armv6l
sudo cp -R * /usr/local

Confirmed working for 20.7.0 on Pi Zero W

wget https://unofficial-builds.nodejs.org/download/release/v20.7.0/node-v20.7.0-linux-armv6l.tar.gz
tar -xzf node-v20.7.0-linux-armv6l.tar.gz
cd node-v20.7.0-linux-armv6l
sudo cp -R * /usr/local

Worked great on my Pi Zero W, thank you.

while this allows to install node it doesnt seem to work properly
npm update throws errors