WebAssembly actually CAN access the DOM, but it requires some glue code. Essentially, from the developer perspective WebAssembly is like embedding native code

WebAssembly actually CAN access the DOM, but it requires some glue code. Essentially, from the developer perspective WebAssembly is like embedding native code as a scripting language in the browser. Only primitive data types can be passed back and forth between the foreign function interface between the two.