Closed WilliamQiufeng closed 5 years ago
At This part, it is told that constant undefined is changeable. However, After Trying This example, I've found out that it was wrong.
undefined
undefined=1;//doesn't change because it is a constant console.log(undefined);//undefined
It had Fixed.
At This part, it is told that constant
undefined
is changeable.However, After Trying This example, I've found out that it was wrong.