javascript multiple OR conditions in IF statement

Question

I think I\'m missing something basic here. Why is the third IF condition true? Shouldn\'t the condition evaluate to false? I want to do something where the id is not 1, 2 or

Answer 1

This is an example:

false && true || true   // returns true
false && (true || true) // returns false
(true || true || true)  // returns true
false || true           // returns true
true || false           // returns true