找出2个对象中重复的ID

这个杀手好冷

于 2022-03-18 11:16:17 发布

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分类专栏： javascript 文章标签： javascript

本文链接：https://blog.youkuaiyun.com/qq_43649479/article/details/123570108

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var new = []
var arr = [
{
class_id: "20"
class_name: "动漫161班"
},
{
class_id: "21"
class_name: "动漫161班"
},
{
class_id: "22"
class_name: "动漫161班"
},
{
class_id: "24"
class_name: "动漫161班"
}
]
var arr1 = [
{
class_id: "24"
},
{
class_id: "21"
},
]
new = arr.filter(obj=>arr1.some(obj1=>obj1.class_id==obj.class_id))