How to update phantomjs 1.9.8 to phantomjs 2.1.1 on ubuntu?

Question

I cant reinstall phantomjs 1.9.8 to 2.1.1 version on my ubuntu 16.04 Please help. 1.9.8 give me an errors when I write a spin functions, in documentation see that this ploblem

Answer 1

I just installed phantomjs 2.1.1 in ubuntu 16.04 with the following steps, which I found after a bit of googling :

sudo apt-get install nodejs
sudo apt-get install nodejs-legacy
sudo apt-get install npm
sudo npm -g install phantomjs-prebuilt