javaScript判断对象中是否有空值和删除对象中的空值 

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    <title>Document</title>
    <script>
        let param = {
            name: '张三',
            age: 18,
            sex: 'nan',
            phone: ''
        }
        // 判断对象中是否有空值
        function checkData(data) {
            for (let i in data) {
                if (!data[i]) {
                    console.log(i + '为空');
                    return false;
                }
            }
            return true;
        }

        console.log(checkData(param));
        //删除对象中值为空的属性
        //Object.entries  将对象拆分为键值对数组
        //Object.fromEntries  将键值对数组转为对象
        
        let obj=Object.fromEntries(Object.entries(param).filter(([key,val])=>val!=""));
        console.log(checkData(obj));
    </script>
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posted @ 2022-06-11 10:56  Code_Lzh  阅读(559)  评论(0)    收藏  举报