javascript ternary operator opposed to if/else

Question

I am trying to write this if/else statement using javascript's ternary operator syntax. Is it possible to write this as a ternary operator?

function changePlayer() {
            if (currentPlayer === playerOne) {
                currentPlayer = playerTwo
            } else {
                currentPlayer = playerOne
            }
        };

My current attempt is:

function changePlayer(){
      currentPlayer === playerOne ? playerTwo : playerOne;
}

currentPlayer=[playerOne, playerTwo][+(currentPlayer==playerOne)] — dandavis
– dandavis, Commented Jan 10, 2016 at 23:11

Rise Ledger · Accepted Answer · 2016-01-10 22:55:37Z

2

You just miss the assignment statement. So the final example will go like this:

function changePlayer(){
      currentPlayer = (currentPlayer === playerOne) ? playerTwo : playerOne;
}

edited Jan 10, 2016 at 22:55

answered Jan 10, 2016 at 22:53

Rise Ledger

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4 Comments

Paul Fitzgerald Over a year ago

nice! will give you the green tick when I can

Wiktor Zychla Over a year ago

I'd say he misses the assignment.

Paul Over a year ago

I think you meant the assignment. The comparison wasn't missing.

Paul Over a year ago

@PaulFitzgerald There was nothing wrong with the code, it was just the explanation that needed a tweak.

Paflow · Accepted Answer · 2016-01-10 22:54:26Z

1

The first argument of the ternary operator is the condition:

function changePlayer(){
  currentPlayer = (currentPlayer === playerOne) ? playerTwo : playerOne;
}

answered Jan 10, 2016 at 22:54

Paflow

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