Course Overview

The course has six chapters after this introduction. Each chapter teaches one area of the language with short programs, and each one ends with an assessment that checks whether you can predict what code will do.

Course structure

1. Error Handling. You learn the kinds of errors JavaScript reports, how try...catch lets a program continue after an error, how finally runs cleanup code on every path, and how throw lets your own functions report a problem.

2. Regular Expressions. A regular expression is a pattern that describes text