You can run the samples to instantly see the result in the task pane or document, examine the samples to learn how the API works, and even use samples to prototype your own add-in. Get started quickly with a collection of built-in sample snippets that show how to complete tasks with the API. Script Lab offers a number of features to help you explore the Office JavaScript API and prototype add-in functionality. Sounds good so far? Take a look at this one-minute video to see Script Lab in action. You can even use Script Lab to try preview APIs. Through Script Lab, you can access a library of samples to quickly try out features or you can use a sample as the starting point for your own code.
It provides IntelliSense so you can see what's available and is built on the Monaco framework, the same framework used by Visual Studio Code. Script Lab is a tool for anyone who wants to learn how to develop Office Add-ins using the Office JavaScript API in Excel, Outlook, Word, and PowerPoint.
Script Lab is a convenient tool to add to your development toolkit as you prototype and verify functionality you want in your own add-in. The Script Lab and Script Lab for Outlook add-ins, available free from AppSource, enable you to explore the Office JavaScript API while you're working in an Office program such as Excel or Outlook.