# Same value zero

[SameValueZero](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Equality_comparisons_and_sameness#same-value-zero_equality) equality determines whether two values are functionally identical in all contexts with +0 and -0 are also considered equal.

Visit the following resources to learn more:

- [@article@Same-value-zero equality](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Equality_comparisons_and_sameness#same-value-zero_equality)