Function getDateOffset

tests/test_code/js/moment/moment.js:3277–3281

(m)

    }

    function getDateOffset(m) {
        // On Firefox.24 Date#getTimezoneOffset returns a floating point.
        // https://github.com/moment/moment/pull/1871
        return -Math.round(m._d.getTimezoneOffset());
    }

    // HOOKS