Why asm.js sometimes runs faster than hand-written JavaScript (and the changes in JSX 0.9.77) I have released an update (version 0.9.77) of JSX - a statically-typed altJS programming language with an optimizing compiler to JavaScript, with the following changes: the definition of int has been changed to strict 32-bit signed integer introduce Promise class in conformance to the ECMAScript 6 draft T

