Below, you'll find a list of errors which are thrown by JavaScript. These errors can be a helpful debugging aid, but the reported problem isn't always immediately clear. The pages below will provide additional details about these errors. Each error is an object based upon the Error object, and has a name and a message....SyntaxError: await/yield expression can't be used in parameter...unparenthesized within `||` and `&&` expressions SyntaxError: character class...