Is it? In JS: "1" + 1 == "11"; 1 + 1 == 2
If you use any other operator (any reasonable operator), it works: "1" - 1 === 0, "1" - "1" === 0 and 1 - 1 === 0.
Is it? In JS: "1" + 1 == "11"; 1 + 1 == 2