<!DOCTYPE html><html><head><meta charset=utf-8></head><body>

    <script type="text/javascript">
    const _rank = array => {
        // 补全代码
        const arr = ['chinese','math','english']
        const qstTotal = (obj)=>{
            let num = 0
            arr.forEach(item=>{
                num += obj[item] 
            })
            return num
        }

        return array.sort((a,b)=>qstTotal(a) >qstTotal(b)?-1:1)
    }
    </script>
</body>

</html>