Binary AST aims to drastically improve the load time of large JavaScript applications by adding a new, binary encoded abstract syntax tree (AST) to the language inspired in part by WebAssembly.

Cloudflare-backed BinaryAST, a faster and more efficient method of loading JavaScript apps, is supported by the latest versions of Firefox.

Both a sorted array and a binary tree can let you look up an element in log(N) time. However I would expect a sorted array to be faster in practice because of the constant factor. However ...

Google, Microsoft, Mozilla and some of the engineers on the WebKit project today announced that they have teamed up to launch WebAssembly, a new binary format for compiling applications for the web.