Comment by FrancisStokes

construct-js uses DataView under the hood. I wrote construct-js to ease working with binary data by allowing you to name and reference sections, and handle things like endianess easily in one place. With a DataView, I still need to calculate offsets into a structure manually, whereas construct-js has .getOffset(name) and .getDeepOffset(path). If performance is key however, use the lowest level of course.