Welcome to tutorial no. 2 of our WebAssembly tutorial series. Series Index Introduction to WebAssembly Using Go Accessing DOM from Go using Javascript In the first tutorial of this tutorial series, we created and exposed a function from Go and called it using JavaScript. I highly recommend reading the first part first part if you have not read it yet. In this tutorial, we will develop a UI for our application, handle errors and also manipulate the DOM of the browser from Go.