This page tests that string addition prefers valueOf() over toString() for conversion. If the test passes, you'll see a PASS message below.
PASS: '1' + valueOfIsZero should be 10 and is.
This page tests that string addition prefers valueOf() over toString() for conversion. If the test passes, you'll see a PASS message below.
PASS: '1' + valueOfIsZero should be 10 and is.