aoqi@0: number
aoqi@0: 5.859874482048838
aoqi@0: string
aoqi@0: hello, world
aoqi@0: string
aoqi@0: E is 2.718281828459045
aoqi@0: string
aoqi@0: 3.141592653589793 is PI
aoqi@0: number
aoqi@0: NaN
aoqi@0: number
aoqi@0: NaN
aoqi@0: number
aoqi@0: 90.21
aoqi@0: number
aoqi@0: 47.69
aoqi@0: string
aoqi@0: hello, obj2.toString
aoqi@0: string
aoqi@0: obj2.toString hello