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loopDelay: number | number[];

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The Most Versatile JavaScript Animated Typing Utility on the Planet

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TypeIt is the most versatile JavaScript typewriter effect utility on the planet. With its simple yet flexible configuration, you're empowerd to type single or multiple strings that break lines, delete & replace each other, easily handle string containing HTML, loop, and a whole lot more.

For more advanced, controlled typing effects, TypeIt comes with companion functions that can be chained to control your typing down to a single character or millisecond, enabling you to type an dynamic narrative, with complete reign over speed changes, line breaks, deletions, and pauses.

Key Features

  • Offers a beautiful, fluent API for chaining commands in order to fine-tune an effect.
  • Choose to start typing only when your target element becomes visible on the screen.
  • Loop your string(s) continuously.
  • Define strings programmatically or directly in the HTML (a useful fallback in case user doesn't have JavaScript enabled, as well as for SEO).
  • Handle HTML (even nested tags!) with ease, preserving all of its attributes (classes, ids, etc.).
  • Offered as an ES module for modern bundlers, or a UMD library for loading via a traditional <script> tags.

License Options

Using TypeIt for an open source or personal project is completely free is licensed under GPLv3. To use it in a commercial project, however, a paid license is required. Learn more about them here:


See some more examples and try out the sandbox at


All of TypeIt's documentation can be found at

Included Packages

  • typeit - The original, vanilla JavaScript library.
  • typeit-react - A simple React package wrapping the vanilla library.


Please do! Check out the file to see how to get started.

Know of a Neat Site Using TypeIt?

I'd love to see and share it! Send me a message or tweet at me.

Need Help?

If you're working with a custom implementation of TypeIt and would like some help, I'm available for hire. Get in touch!