Vue数组中的某属性拼接成字符串

Vue数组中的某属性拼接成字符串

数组结构：
需求：选择数组对象，将名字取出来用逗号分隔开（name1,name2,name3）

let arr=[
	{id: "6426d720-ff2f-11ec-a7ec-5b04401f6d81",name: "哪里哪里"},
	{id: "6426d720-ff2f-11ec-a7ec-5b0440112345",name: "测量1221"},
	{id: "6426d720-ff2f-11ec-a7ec-5b04401f6d74",name: "门洞口"},
	{id: "6426d720-ff2f-11ec-a7ec-1204401f6d81",name: "窗洞口"},
	{id: "6426d720-ff2f-11ec-a7ec-7894401f6d81",name: "柜体洞口"},
]
let cavename = this.cavesData.map(function (elem) {
                            return elem.name;
                        }).join(",");