Babel’s loose mode transpiles ES6 code to ES5 code that is less faithful to ES6 semantics. This blog post explains how that works and what the pros and cons are (spoiler: normally not recommended). Starting point for this series of posts on Babel 6: “Configuring Babel 6” [explains the basics: configuration files, presets, plugins, etc.] Two modes # Many plugins in Babel have two modes: A normal m