Typed.js is a library that types. Enter in any string, and watch it type at the speed you've set, backspace what it's typed, and begin a new sentence for however many strings you've set.
data-toggle="typed" - initializes the plugin.
data-options='{"strings": ["designers", "developers"]}' - plugin options. Please see the official plugin documentation for a full list of options.
Skola is for .