Solution Review: Juggling Values
Discover how to solve the problem of swapping values between variables in JavaScript without losing data. Learn to use a temporary variable to safely reassign values and ensure all variables retain their correct values after the operation.
We'll cover the following...
We'll cover the following...
Solution
The solution to this problem relies on copying the value of at least one variable into another temporary variable. After that, we can start mutating variables. The illustration below shows what happens if you approach this problem naively.
As you can see above, ...