Invalid default value for prop "value": Props with type Object/Array must use a factory function to return the default value.(百度翻译:PROP“值”的默认缺省值:Type对象/数组的PROPS必须使用工厂函数返回默认值.) props default 数组/对象的默认值应当由一个工厂函数返回
Invalid default value for prop "value": Props with type Object/Array must use a factory function to return the default value.(props default 数组/对象的默认值应当由一个工厂函数返回) 正确书写方式 <script> export default{ props:{ list:{ type: [Object,Array], default:
JS 深度拷贝 Object Array function cloneObj(o) { var isArray = o instanceof Array; var isObject = o instanceof Object; if (!isObject) return o; var n = (isArray ? [] : {}); for (var k in o) n[k] = cloneObj(o[k]); return n; } 遇到的问题 typeof [] 结果为 objecttype
//Object //创建 var obj = {} function obj(){} class obj{} //Array api Array属性和方法: for 条件判断: break continue return let arr = [function (){}, new Fun(), undefined, null, boolean, string, number, []]; var x = arr.length // arr 中元素的数量 var y = arr.indexOf('
String sqlStr="select t.car_kind,count(t) from table1 t where t.jb_date='"+jb_date+"' and t.state='"+state+"' and t.sbzt='1' and t.bureau_code='"+ljdm+"' group by t.car_kind"; List<Object[]> ob = DdmlCommServi