Driver.js

A powerful yet light-weight, vanilla JavaScript engine to drive the user's focus across the page
_{Only ~4kb, no external dependency, supports all major browsers and highly customizable}

Simple: is simple to use and has no external dependency at all
Light-weight: ~4kb in size, vanilla JavaScript and no external dependency
Highly customizable: has a powerful API and can be used however you want
Highlight anything: highlight any (literally any) element on page
Feature introductions: create powerful feature introductions and onboarding strategies
Focus shifters: add focus shifters for users
User friendly: Everything is controllable by keyboard
Consistent behavior: usable across all browsers (including in-famous IE)
MIT Licensed: free for personal and commercial use

For Usage and Examples, have a look at demo