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    <title>Document</title>
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    <script>
        const _isFibonacci = array => {
            // 补全代码
            if (array.length < 3) return false;
            for (let i = 2, l = array.length; i < l; i++) {
                if (array[i - 2] + array[i - 1] !== array[i]) return false;
            }
            return true;
        }
        console.log(_isFibonacci([0, 1, 1, 2]))
    </script>
</body>

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