tslint - In Typescript, what is the ! (exclamation mark / bang) operator when dereferencing a member? - Stack Overflow2017/12/25tslint - In Typescript, what is the ! (exclamation mark / bang) operator when dereferencing a member? - Stack Overflowjigsawtslint - In Typescript, what is the ! (exclamation mark / bang) operator when dereferencing a member? - Stack OverflowTypeScript のビックリマーク、not null とか not undefined みたいな意味らしい
