Deconstruction assignment - Numerical and Boolean values deconstruction assignment

       let {toString: s} = 123;
       console.log(s) // ƒ toString() { [native code] }

• 　　If the right of the equal sign is a numerical and Boolean values, it will first turn objects.

       let {toString: s} = false;
       console.log(s) // ƒ toString() { [native code] }

• 　　undefinedAnd nullcan not be converted to objects

        let { prop: x } = undefined; 
        let { prop: y } = null; 
        console.log(x) // TypeError
        console.log(y) // TypeError