typescript報錯：Object is possibly 'null' 請問怎么解決？

這么寫是不行的嗎？請問應該怎么寫呢？

`

readonly state = { fold: true, answer: null }; render () { return ( 

{ this.state.answer && this.state.answer.content }

) } `

 

最佳答案

 

readonly state: any = { fold: true, answer: null };

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