Bug: Logical && and || operator precedence is broken

[nfrasser]

Not sure if this is the right place to report this.

In Boolean algebra, the logical AND operator has higher order-of-operations precedence than logical OR. Therefore, the following two expressions should be equivalent:

(true && true) || (true && false) // Result: true
true && true || true && false // Result: false in JSX (should be true)

In JSX, their results vary as indicated. The second expression is equivalent to this:

((true && true) || true) && false

This does not follow logical order of operations. I confirmed that the two expressions both evaluate to true in other JavaScript engines.

Workaround: Always use parens, but now I can't run my code through a minifier or obfuscator because it removes the extra parens to make the code smaller.

[Jarda Bereza]

This JSX is not JavaScript as you know it.

It has its own view of how it should work. 😄