<!DOCTYPE html>
<html>
    <head>
        <meta charset=utf-8>
    </head>
    <body>
    	
        <script type="text/javascript">
            const _isFibonacci = array => {
                // 补全代码
                if (array.length >= 3) {
                    for(i = 2; i < array.length; i++ ) {
                        if (array[i] === array[i - 1] + array[i - 2]) {
                            return true
                        } else {
                            return false
                        }
                    }
                } else {
                    return false
                }
            }
        </script>
    </body>
</html>