js将数组对象中某个值相同的对象合并成一个新对象

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原创最新推荐文章于 2026-05-06 10:18:32 发布 3.9k 阅读 AI 写同款· GEO 优化 ›

JS合并数组对象中key相同的数据（将数组里某个属性相同的对象合并成一个数组）将数组里某个属性相同的对象合并成一个数组原数组如下需求是，转成如下数组以下是解决方案原数组如下 let resData = [ { "name": "住院医疗最高报销", "tagName": "医疗", "insuredAmount": "6000" }, { "name": "身故赔付", ... 阅读详情

listData: [
        { type: 1, typeName: '行业属性', name: '业主' },
        { type: 1, typeName: '行业属性', name: '物业' },
        { type: 2, typeName: '职业属性', name: '项目经理' },
        { type: 3, typeName: '个人偏好', name: '招聘' },
        { type: 1, typeName: '行业属性', name: '劳务' },
        { type: 3, typeName: '个人偏好', name: '职场交流' },
        { type: 2, typeName: '职业属性', name: '设计师' },
]

let newArr = []
    let teamArr = []
    let listData = this.listData
    for (let i = 0; i < listData.length; i++) {
      if (!teamArr.includes(listData[i]['type'])) {
        newArr.push({
          id: listData[i]['type'],
          name: listData[i]['typeName'],
          data: [listData[i]]
        })
        teamArr.push(listData[i]['type'])
      } else {
        for (let n = 0; n < newArr.length; n++) {
          if (newArr[n]['id'] == listData[i]['type']) {
            newArr[n].data.push(listData[i])
            break
          }
        }
      }
    }
    this.afterArr = newArr
    console.log(newArr)

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