Logical Operators Part 3

The OR operator (||) combines two conditions and returns true when at least one condition is true. It only returns false when both conditions are false.

let hasCard = false
let hasCash = true

let canPay = hasCard || hasCash  // true
print(canPay)

In this example, even though the person doesn't have a card, they can still pay because they have cash. The OR operator is perfect when you have multiple acceptable options.

let isWeekend = false
let isHoliday = false

let dayOff = isWeekend || isHoliday  // false

Here, since neither condition is true, dayOff is false.

You can also combine OR with comparisons:

let age = 15
let hasPermission = true

let canWatch = age >= 18 || hasPermission  // true

The OR operator is useful when any one of several conditions being true is enough to proceed — like checking if a user qualifies through different criteria or if any error condition exists.