Automatic Semicolon Insertion and Reserved Words in JavaScript

Automatic Semicolon Insertion (ASI)

In languages of the C-family, the semicolon denotes the end of a statement. Unlike other C-like languages, JavaScript doesn't enforce that. Instead, the semicolon is optional, and the interpreter adds missing semicolons—mostly at the end of a line—to terminate statements. Doing so, it takes complex rules into account. This may conflict with the intende...