let data = [ { "subject_id": 948, "xmdw": "长春市实验中学", "sbnd": 2023, "xmmc": "长春市实验中学食堂厨具设备更换项目" }, { "subject_id": 949, "xmdw": "长春市教育技术装备与信息中心", "sbnd": 2022, "xmmc": "长春市教育装备与信息化项目智慧管理系统" } ]; let subjectIds = data.map(item => item.subject_id); console.log(subjectIds); //输出: [948, 949] ========================================================= let arr = ["948", "949"]; arr = arr.filter(item => item !== "949"); console.log(arr); //输出: ["948"] ======================================================= let arr = [ { "subject_id": 948, "xmdw": "长春市实验中学", "sbnd": 2023, "xmmc": "长春市实验中学食堂厨具设备更换项目" }, { "subject_id": 949, "xmdw": "长春市教育技术装备与信息中心", "sbnd": 2022, "xmmc": "长春市教育装备与信息化项目智慧管理系统" } ]; arr = arr.filter(item => item.subject_id !== 949); console.log(arr); //输出: [ { "subject_id": 948, "xmdw": "长春市实验中学", "sbnd": 2023, "xmmc": "长春市实验中学食堂厨具设备更换项目" } ]
标签:arr,948,949,处理,长春市,javascript,数组,id,subject From: https://www.cnblogs.com/kgdxpr/p/17717737.html