Node.js is not available in the default CentOS / Red Hat package repository but in EPEL (Extra Packages for Enterprise Linux) repository. Even so, it's still a slightly outdated version of Node.js.
If you require the latest or specific version of Node.js for CentOS and Red Hat (RHEL), you can install from NodeSource's yum repostirory.
Related: How to install latest version of Node.js for CentOS / Red Hat / Fedora
$ sudo yum install --assumeyes epel-release
$ sudo yum install --assumeyes nodejs ########################## ============================================================================================== Package Arch Version Repository Size ============================================================================================== Installing: nodejs x86_64 1:6.14.3-1.el7 epel 4.7 M Installing for dependencies: http-parser x86_64 2.7.1-5.el7_4 base 28 k libuv x86_64 1:1.22.0-1.el7 epel 127 k npm x86_64 1:3.10.10-1.6.14.3.1.el7 epel 2.5 M Transaction Summary ============================================================================================== Install 1 Package (+3 Dependent packages) ##########################
$ node -v v6.14.3 $ npm -v 3.10.10
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