Portable efficient bytecode format for compiling machine code for the web
WebAssembly is used to power applications on web pages. The format is designed to be integrated into other environments, including those that are standalone. WebAssembly (i.e., WebAssembly Core Specification and WebAssembly JavaScript Interface) runs alongside HTML, CSSCSS, and JavaScriptJavaScript and is the fourth language to run natively in browsersbrowsers.