两个数组,要删除重复的元素。 JS答:var arr1 = [{id: 2, title: "xxxx"},{id: 3, title: "xxxx"}];var arr2 = [{id: 2, title: "xxxx"},{id: 3, title: "xxxx"},{id: 4, title: "xxxx"},{id: 5, title: "xxxx"}];L:for(var i=0;i<arr2.length;i++){ for(var j=0;j<arr1.length;j++){ ...