# Documentation The following examples are inside HTML comments and will not trigger the type-checker: <!-- ```ts ignore const value: Invalid = "ignored"; ``` --> <!-- ```ts const a: string = 42; ``` --> <!-- This is a comment. ```ts const a: string = 42; ``` Something something more comments. ```typescript const a: boolean = "true"; ``` --> The following example will trigger the type-checker to fail: ```ts const a: string = 42; ```