[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f0xE0mGznfIacEwtJxcpS9qzGL1x2rJw4hZ-KfmQKZGs":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2023-06-29 15:16:03",88204435,[8,9,10,11],"使用箭头符号=>定义","参数超过1个的话,需要用小括号()括起来","函数体语句超过1条的时候,需要用大括号{ }括起来,用return语句返回","函数体内的 this 对象,绑定使用时所在的对象",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},5,"b5029777819b2ed59b8daaddfd1f2b6b","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fc098b4212c94541cbca588f32478d67d.jpg","javaScript+jQuery前端开发","da37e62c41734bf8b84db5b0ebc7f2d8","任务5-1:实现个人中心页(课前)","1.关于箭头函数的描述,错误的是",[21,26,35,44,53],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":34,"source":24,"type":25},[],88204436,[30,31,32,33],"它可以遍历所有具有iterator 接口的数据结构","不可以用break来终止循环","使用continue可以跳过当前循环","可以遍历DOM list对象","2.关于for…of的简述,说法错误的是",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],88204437,[39,40,41,42],"是键值对的集合","创建实例需要使用new关键字","Map结构的键名必须是引用类型","Map结构是可遍历的","3.关于Map结构的介绍,下面说法错误的是",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":24,"type":25},[],88204438,[48,49,50,51],"Vuex就是一个仓库,仓库里面放了很多对象.其中state就是数据源存放地,对应于与一般Vue对象里面的data","state里面存放的数据是响应式的,Vue组件从store中读取数据,若是store中的数据发生改变,依赖这个数据的组件也会发生更新","它通过mapState把全局的 state 和 getters 映射到当前组件的 computed 计算属性中","State内的数据可以直接通过this访问","4.vuex的State特性错误的是",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":24,"type":25},[],88204439,[57,58,59,60],"init","getters","actions","state","5.以下选项中不属于vuex中的属性"]