Multiple conditions for switch in javascript

Question

How can I set multiple conditions for switch statement in JS?

or How to set or condition inside switch?

eg:

switch(apple.amount) or switch(orange.amount)
{

case '1 kg':
total = 100;
break;

case '2 kg':
 total = 200;
break;
}

Encapsulate your switch in a function and pass both amounts to said function. — SBI
– SBI, Commented Mar 19, 2014 at 9:23

Kevin Bowersox · Accepted Answer · 2014-03-19 09:35:00Z

2

Use a loop:

var amounts = [apple.amount, orange.amount];
var totals = [];
for(var i = 0; i < amounts.length; i++){
    switch(amounts[i])
    {
        case '1 kg':
        totals[i] = 100;
        break;

        case '2 kg':
        totals[i] = 200;
        break;
    }
}

If your certain that only one will have a value during any execution you can use the || operator:

var amount1;
var amount2 = '2 kg';
var total;

    switch(amount1 || amount2 )
    {
        case '1 kg':
        total = 100;
        break;

        case '2 kg':
        total = 200;
        break;
    }

alert(total);

edited Mar 19, 2014 at 9:35

answered Mar 19, 2014 at 9:24

Kevin Bowersox

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Comments

David Hellsing · Accepted Answer · 2014-03-19 09:30:46Z

0

Put the switch in a function and test the return value:

function getTotal(amount) {
  switch(amount) {
    case '1 kg':
      return 100
    case '2 kg':
      return 200
  }
}
if(getTotal(apple.amount) || getTotal(orange.amount)) {
    // both returns a total
}

answered Mar 19, 2014 at 9:30

David Hellsing

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