js基础笔试题答案 前端晋级攻城狮 2023-06-08 83 阅读1分钟 console.log(false.tostring());//false console.log([1,2, 3].tostring());//123 console.log(1.tostring());//报错,1.是有效数字 console.log(5..tostring());//5 console.log(typeof NaN === 'number');//true