我有一个数组，我希望根据另一个数组中的键进行迭代和过滤。如果代码与第二个数组匹配，我需要遍历第一个数组并删除该项。我知道我应该是使用数组过滤器，但我无法了解如何将第二个数组作为过滤器传递。
var arr =[
[
{
"name": "SEASONAL_LYQ1",
"code": "SEASONAL_LYQ1",
"parent": "SEASONAL_POP",
"value": 0,
"children": []
},
{
"name": "SEASONAL_LYQ2",
"code": "SEASONAL_LYQ2",
"parent": "SEASONAL_POP",
"value": 19,
"children": []
},
{
"name": "SEASONAL_LYQ3",
"code": "SEASONAL_LYQ3",
"parent": "SEASONAL_POP",
"value": 40,
"children": []
},
{
"name": "SEASONAL_LYQ4",
"code": "SEASONAL_LYQ4",
"parent": "SEASONAL_POP",
"value": 22,
"children": []
},
{
"name": "SEASONAL_CYQ1",
"code": "SEASONAL_CYQ1",
"parent": "SEASONAL_POP",
"value": 0,
"children": []
},
{
"name": "SEASONAL_CYQ2",
"code": "SEASONAL_CYQ2",
"parent": "SEASONAL_POP",
"value": 20,
"children": []
},
{
"name": "SEASONAL_CYQ3",
"code": "SEASONAL_CYQ3",
"parent": "SEASONAL_POP",
"value": 40,
"children": []
},
{
"name": "SEASONAL_CYQ4",
"code": "SEASONAL_CYQ4",
"parent": "SEASONAL_POP",
"value": 24,
"children": []
}
],
[
{
"name": "Total Educated",
"code": "Q035001",
"parent": "EDU_ATTAINMENT",
"value": "9891",
"children": []
},
{
"name": "Grade Less than 9",
"code": "Q035003",
"parent": "EDU_ATTAINMENT",
"value": "514",
"children": []
},
{
"name": "Grade 9 to 12",
"code": "Q035007",
"parent": "EDU_ATTAINMENT",
"value": "444",
"children": []
},
{
"name": "High School",
"code": "Q035011",
"parent": "EDU_ATTAINMENT",
"value": "1269",
"children": []
},
{
"name": "Some College",
"code": "Q035012",
"parent": "EDU_ATTAINMENT",
"value": "2001",
"children": []
},
{
"name": "College Degree - Associate's",
"code": "Q035014",
"parent": "EDU_ATTAINMENT",
"value": "400",
"children": []
},
{
"name": "College Degree - Bachelor's",
"code": "Q035015",
"parent": "EDU_ATTAINMENT",
"value": "3018",
"children": []
},
{
"name": "College Degree - Master's",
"code": "Q035016",
"parent": "EDU_ATTAINMENT",
"value": "1706",
"children": []
},
{
"name": "College - Professional",
"code": "Q035017",
"parent": "EDU_ATTAINMENT",
"value": "315",
"children": []
},
{
"name": "College Degree - Doctorate",
"code": "Q035018",
"parent": "EDU_ATTAINMENT",
"value": "224",
"children": []
},
{
"name": "Enrollments (Total Population)",
"code": "EDU_Enrollments",
"parent": "EDU_ATTAINMENT",
"children": [
{
"name": "Nursery school/Preschool",
"code": "Q036003",
"parent": "EDU_Enrollments",
"value": "330",
"children": []
},
{
"name": "Kindergarten/Elementary school",
"code": "Q036006",
"parent": "EDU_Enrollments",
"value": "1158",
"children": []
},
{
"name": "High School",
"code": "Q036015",
"parent": "EDU_Enrollments",
"value": "636",
"children": []
},
{
"name": "College/Graduate /Professional school",
"code": "Q036018",
"parent": "EDU_Enrollments",
"value": "1715",
"children": []
},
{
"name": "Not Enrolled",
"code": "Q036024",
"parent": "EDU_Enrollments",
"value": "10324",
"children": []
}
]
},
{
"name": "Percents",
"code": "PCT_EDU_ATTAINMENT",
"parent": "EDU_ATTAINMENT",
"children": [
{
"name": "% Grade Less than 9",
"code": "XQ035003",
"parent": "PCT_EDU_ATTAINMENT",
"value": "5.197",
"children": []
},
{
"name": "% Grade 9 to 12",
"code": "XQ035007",
"parent": "PCT_EDU_ATTAINMENT",
"value": "4.4937",
"children": []
},
{
"name": "% High school",
"code": "XQ035011",
"parent": "PCT_EDU_ATTAINMENT",
"value": "12.8274",
"children": []
},
{
"name": "% Some college",
"code": "XQ035012",
"parent": "PCT_EDU_ATTAINMENT",
"value": "20.2347",
"children": []
},
{
"name": "% College - Associate",
"code": "XQ035014",
"parent": "PCT_EDU_ATTAINMENT",
"value": "4.0479",
"children": []
},
{
"name": "% College - Bachelors",
"code": "XQ035015",
"parent": "PCT_EDU_ATTAINMENT",
"value": "30.509",
"children": []
},
{
"name": "% College - Masters",
"code": "XQ035016",
"parent": "PCT_EDU_ATTAINMENT",
"value": "17.2467",
"children": []
},
{
"name": "% College - Professional",
"code": "XQ035017",
"parent": "PCT_EDU_ATTAINMENT",
"value": "3.1824",
"children": []
},
{
"name": "% College - Doctorate",
"code": "XQ035018",
"parent": "PCT_EDU_ATTAINMENT",
"value": "2.2612",
"children": []
}
]
}
],
[
{
"name": "1 Person HHs",
"code": "Q014010",
"parent": "HH_by_size",
"value": "2395",
"children": []
},
{
"name": "2 Person HHs",
"code": "Q014011",
"parent": "HH_by_size",
"value": "2140",
"children": []
},
{
"name": "3 Person HHs",
"code": "Q014012",
"parent": "HH_by_size",
"value": "878",
"children": []
},
{
"name": "4 Person HHs",
"code": "Q014013",
"parent": "HH_by_size",
"value": "701",
"children": []
},
{
"name": "5 Person HHs",
"code": "Q014014",
"parent": "HH_by_size",
"value": "247",
"children": []
},
{
"name": "6 Person HHs",
"code": "Q014015",
"parent": "HH_by_size",
"value": "68",
"children": []
},
{
"name": "7+ Person HHs",
"code": "Q014016",
"parent": "HH_by_size",
"value": "54",
"children": []
},
{
"name": "Persons Per HH",
"code": "Q017001",
"parent": "HH_by_size",
"value": "2",
"children": []
}
],
[
{
"name": "Occ Managerial Executive",
"code": "Q050004",
"parent": "EMP_16P_WHITE_COL",
"value": "1748",
"children": []
},
{
"name": "Occ Prof Specialty",
"code": "Q050010",
"parent": "EMP_16P_WHITE_COL",
"value": "2372",
"children": []
},
{
"name": "Occ Healthcare Support",
"code": "Q050024",
"parent": "EMP_16P_WHITE_COL",
"value": "91",
"children": []
},
{
"name": "Occ Sales",
"code": "Q050032",
"parent": "EMP_16P_WHITE_COL",
"value": "1323",
"children": []
},
{
"name": "Occ Office Admin",
"code": "Q050033",
"parent": "EMP_16P_WHITE_COL",
"value": "623",
"children": []
}
],
[
{
"name": "Occ Protective",
"code": "Q050025",
"parent": "EMP_16P_BLUE_COL",
"value": 75,
"children": []
},
{
"name": "Occ Food Preparation Serving",
"code": "Q050028",
"parent": "EMP_16P_BLUE_COL",
"value": 394,
"children": []
},
{
"name": "Occ Bldg Maintenance & Cleaning",
"code": "Q050029",
"parent": "EMP_16P_BLUE_COL",
"value": 183,
"children": []
},
{
"name": "Occ Personal Care",
"code": "Q050030",
"parent": "EMP_16P_BLUE_COL",
"value": 421,
"children": []
},
{
"name": "Occ Farming, Fishing & Forestry",
"code": "Q050034",
"parent": "EMP_16P_BLUE_COL",
"value": 0,
"children": []
},
{
"name": "Occ Construction",
"code": "Q050035",
"parent": "EMP_16P_BLUE_COL",
"value": 330,
"children": []
},
{
"name": "Occ Production Transportation",
"code": "Q050041",
"parent": "EMP_16P_BLUE_COL",
"value": 404,
"children": []
}
],
[
{
"name": "No Vehicle",
"code": "Q029003",
"parent": "VEHICLES_PER_HH",
"value": "531",
"children": []
},
{
"name": "1 Vehicle",
"code": "Q029004",
"parent": "VEHICLES_PER_HH",
"value": "2808",
"children": []
},
{
"name": "2 Vehicle",
"code": "Q029005",
"parent": "VEHICLES_PER_HH",
"value": "2404",
"children": []
},
{
"name": "3 Vehicle",
"code": "Q029006",
"parent": "VEHICLES_PER_HH",
"value": "555",
"children": []
},
{
"name": "4 Vehicle",
"code": "Q029007",
"parent": "VEHICLES_PER_HH",
"value": "131",
"children": []
},
{
"name": "5 Vehicle",
"code": "Q029008",
"parent": "VEHICLES_PER_HH",
"value": "53",
"children": []
},
{
"name": "Aggregate Number of Vehicle",
"code": "Q029009",
"parent": "VEHICLES_PER_HH",
"value": "10078",
"children": []
}
]
];
var el = ["Q029009","Q017001","Q035001"];
arr = arr.filter(e => e !== el);
console.log(arr)
y。
答案 0 :(得分：1)
你有一个数组数组，所以外部数组为.map()，每个内部数组返回一个.filter()，以确保不包含当前对象的.code在el数组中。
var el = ["Q029009","Q017001","Q035001"];
arr = arr.map(a => a.filter(o => !el.includes(o.code)));
演示：
var arr =[
[
{
"name": "SEASONAL_LYQ1",
"code": "SEASONAL_LYQ1",
"parent": "SEASONAL_POP",
"value": 0,
"children": []
},
{
"name": "SEASONAL_LYQ2",
"code": "SEASONAL_LYQ2",
"parent": "SEASONAL_POP",
"value": 19,
"children": []
},
{
"name": "SEASONAL_LYQ3",
"code": "SEASONAL_LYQ3",
"parent": "SEASONAL_POP",
"value": 40,
"children": []
},
{
"name": "SEASONAL_LYQ4",
"code": "SEASONAL_LYQ4",
"parent": "SEASONAL_POP",
"value": 22,
"children": []
},
{
"name": "SEASONAL_CYQ1",
"code": "SEASONAL_CYQ1",
"parent": "SEASONAL_POP",
"value": 0,
"children": []
},
{
"name": "SEASONAL_CYQ2",
"code": "SEASONAL_CYQ2",
"parent": "SEASONAL_POP",
"value": 20,
"children": []
},
{
"name": "SEASONAL_CYQ3",
"code": "SEASONAL_CYQ3",
"parent": "SEASONAL_POP",
"value": 40,
"children": []
},
{
"name": "SEASONAL_CYQ4",
"code": "SEASONAL_CYQ4",
"parent": "SEASONAL_POP",
"value": 24,
"children": []
}
],
[
{
"name": "Total Educated",
"code": "Q035001",
"parent": "EDU_ATTAINMENT",
"value": "9891",
"children": []
},
{
"name": "Grade Less than 9",
"code": "Q035003",
"parent": "EDU_ATTAINMENT",
"value": "514",
"children": []
},
{
"name": "Grade 9 to 12",
"code": "Q035007",
"parent": "EDU_ATTAINMENT",
"value": "444",
"children": []
},
{
"name": "High School",
"code": "Q035011",
"parent": "EDU_ATTAINMENT",
"value": "1269",
"children": []
},
{
"name": "Some College",
"code": "Q035012",
"parent": "EDU_ATTAINMENT",
"value": "2001",
"children": []
},
{
"name": "College Degree - Associate's",
"code": "Q035014",
"parent": "EDU_ATTAINMENT",
"value": "400",
"children": []
},
{
"name": "College Degree - Bachelor's",
"code": "Q035015",
"parent": "EDU_ATTAINMENT",
"value": "3018",
"children": []
},
{
"name": "College Degree - Master's",
"code": "Q035016",
"parent": "EDU_ATTAINMENT",
"value": "1706",
"children": []
},
{
"name": "College - Professional",
"code": "Q035017",
"parent": "EDU_ATTAINMENT",
"value": "315",
"children": []
},
{
"name": "College Degree - Doctorate",
"code": "Q035018",
"parent": "EDU_ATTAINMENT",
"value": "224",
"children": []
},
{
"name": "Enrollments (Total Population)",
"code": "EDU_Enrollments",
"parent": "EDU_ATTAINMENT",
"children": [
{
"name": "Nursery school/Preschool",
"code": "Q036003",
"parent": "EDU_Enrollments",
"value": "330",
"children": []
},
{
"name": "Kindergarten/Elementary school",
"code": "Q036006",
"parent": "EDU_Enrollments",
"value": "1158",
"children": []
},
{
"name": "High School",
"code": "Q036015",
"parent": "EDU_Enrollments",
"value": "636",
"children": []
},
{
"name": "College/Graduate /Professional school",
"code": "Q036018",
"parent": "EDU_Enrollments",
"value": "1715",
"children": []
},
{
"name": "Not Enrolled",
"code": "Q036024",
"parent": "EDU_Enrollments",
"value": "10324",
"children": []
}
]
},
{
"name": "Percents",
"code": "PCT_EDU_ATTAINMENT",
"parent": "EDU_ATTAINMENT",
"children": [
{
"name": "% Grade Less than 9",
"code": "XQ035003",
"parent": "PCT_EDU_ATTAINMENT",
"value": "5.197",
"children": []
},
{
"name": "% Grade 9 to 12",
"code": "XQ035007",
"parent": "PCT_EDU_ATTAINMENT",
"value": "4.4937",
"children": []
},
{
"name": "% High school",
"code": "XQ035011",
"parent": "PCT_EDU_ATTAINMENT",
"value": "12.8274",
"children": []
},
{
"name": "% Some college",
"code": "XQ035012",
"parent": "PCT_EDU_ATTAINMENT",
"value": "20.2347",
"children": []
},
{
"name": "% College - Associate",
"code": "XQ035014",
"parent": "PCT_EDU_ATTAINMENT",
"value": "4.0479",
"children": []
},
{
"name": "% College - Bachelors",
"code": "XQ035015",
"parent": "PCT_EDU_ATTAINMENT",
"value": "30.509",
"children": []
},
{
"name": "% College - Masters",
"code": "XQ035016",
"parent": "PCT_EDU_ATTAINMENT",
"value": "17.2467",
"children": []
},
{
"name": "% College - Professional",
"code": "XQ035017",
"parent": "PCT_EDU_ATTAINMENT",
"value": "3.1824",
"children": []
},
{
"name": "% College - Doctorate",
"code": "XQ035018",
"parent": "PCT_EDU_ATTAINMENT",
"value": "2.2612",
"children": []
}
]
}
],
[
{
"name": "1 Person HHs",
"code": "Q014010",
"parent": "HH_by_size",
"value": "2395",
"children": []
},
{
"name": "2 Person HHs",
"code": "Q014011",
"parent": "HH_by_size",
"value": "2140",
"children": []
},
{
"name": "3 Person HHs",
"code": "Q014012",
"parent": "HH_by_size",
"value": "878",
"children": []
},
{
"name": "4 Person HHs",
"code": "Q014013",
"parent": "HH_by_size",
"value": "701",
"children": []
},
{
"name": "5 Person HHs",
"code": "Q014014",
"parent": "HH_by_size",
"value": "247",
"children": []
},
{
"name": "6 Person HHs",
"code": "Q014015",
"parent": "HH_by_size",
"value": "68",
"children": []
},
{
"name": "7+ Person HHs",
"code": "Q014016",
"parent": "HH_by_size",
"value": "54",
"children": []
},
{
"name": "Persons Per HH",
"code": "Q017001",
"parent": "HH_by_size",
"value": "2",
"children": []
}
],
[
{
"name": "Occ Managerial Executive",
"code": "Q050004",
"parent": "EMP_16P_WHITE_COL",
"value": "1748",
"children": []
},
{
"name": "Occ Prof Specialty",
"code": "Q050010",
"parent": "EMP_16P_WHITE_COL",
"value": "2372",
"children": []
},
{
"name": "Occ Healthcare Support",
"code": "Q050024",
"parent": "EMP_16P_WHITE_COL",
"value": "91",
"children": []
},
{
"name": "Occ Sales",
"code": "Q050032",
"parent": "EMP_16P_WHITE_COL",
"value": "1323",
"children": []
},
{
"name": "Occ Office Admin",
"code": "Q050033",
"parent": "EMP_16P_WHITE_COL",
"value": "623",
"children": []
}
],
[
{
"name": "Occ Protective",
"code": "Q050025",
"parent": "EMP_16P_BLUE_COL",
"value": 75,
"children": []
},
{
"name": "Occ Food Preparation Serving",
"code": "Q050028",
"parent": "EMP_16P_BLUE_COL",
"value": 394,
"children": []
},
{
"name": "Occ Bldg Maintenance & Cleaning",
"code": "Q050029",
"parent": "EMP_16P_BLUE_COL",
"value": 183,
"children": []
},
{
"name": "Occ Personal Care",
"code": "Q050030",
"parent": "EMP_16P_BLUE_COL",
"value": 421,
"children": []
},
{
"name": "Occ Farming, Fishing & Forestry",
"code": "Q050034",
"parent": "EMP_16P_BLUE_COL",
"value": 0,
"children": []
},
{
"name": "Occ Construction",
"code": "Q050035",
"parent": "EMP_16P_BLUE_COL",
"value": 330,
"children": []
},
{
"name": "Occ Production Transportation",
"code": "Q050041",
"parent": "EMP_16P_BLUE_COL",
"value": 404,
"children": []
}
],
[
{
"name": "No Vehicle",
"code": "Q029003",
"parent": "VEHICLES_PER_HH",
"value": "531",
"children": []
},
{
"name": "1 Vehicle",
"code": "Q029004",
"parent": "VEHICLES_PER_HH",
"value": "2808",
"children": []
},
{
"name": "2 Vehicle",
"code": "Q029005",
"parent": "VEHICLES_PER_HH",
"value": "2404",
"children": []
},
{
"name": "3 Vehicle",
"code": "Q029006",
"parent": "VEHICLES_PER_HH",
"value": "555",
"children": []
},
{
"name": "4 Vehicle",
"code": "Q029007",
"parent": "VEHICLES_PER_HH",
"value": "131",
"children": []
},
{
"name": "5 Vehicle",
"code": "Q029008",
"parent": "VEHICLES_PER_HH",
"value": "53",
"children": []
},
{
"name": "Aggregate Number of Vehicle",
"code": "Q029009",
"parent": "VEHICLES_PER_HH",
"value": "10078",
"children": []
}
]
];
var el = ["Q029009","Q017001","Q035001"];
verify("Found codes before removal:", arr, el); // should be `true`
arr = arr.map(a => a.filter(o => !el.includes(o.code)));
verify("Found codes after removal:", arr, el); // should be `false`
console.log(arr)
function verify(msg, arr, el) {
console.log(msg, arr.some(a => a.some(o => el.includes(o.code))));
}