Too Long; Didn't Read
Hello-world.cc is the smallest example for embedding V8, it contains the most basic functions and is friendly to beginners. V8 is a virtual machine and the isolate is an execution host of JavaScript. The isolate is single-threaded mode, that is, only one thread can enter into the isolate at a time. The AST is an abstract representation of the JavaScript code, used to generate bytecode. In addition, V8 uses the compile cache to improve efficiency in the compilation.