1
私はオブジェクトを持つ配列を持っていますが、私はそれらを必要としないいくつかのオブジェクトをフィルタリングする方法を理解しようとしています。私はフィールドcodeに基づいてそれをフィルタリングしようとしています。以下は私が今まで試したコードで、エラーa.filter is not a functionをスローします。この場合、私は何ができますか。フィルターはそれを行う正しい方法ではありません。ありがとう。JavaScriptの配列内のオブジェクトをフィルタリングする方法
var chartsArray = [
{
"name": "Total Educated",
"code": "Q035001",
"parent": "EDU_ATTAINMENT",
"value": "9900",
"label": "Total Educated",
"children": []
},
{
"name": "Grade Less than 9",
"code": "Q035003",
"parent": "EDU_ATTAINMENT",
"value": "369",
"label": "Grade 9",
"children": []
},
{
"name": "Grade 9 to 12",
"code": "Q035007",
"parent": "EDU_ATTAINMENT",
"value": "595",
"label": "Grade 9 - 12",
"children": []
},
{
"name": "High School",
"code": "Q035011",
"parent": "EDU_ATTAINMENT",
"value": "1174",
"label": "High School",
"children": []
},
{
"name": "Some College",
"code": "Q035012",
"parent": "EDU_ATTAINMENT",
"value": "1904",
"label": "Some College",
"children": []
},
{
"name": "College Degree - Associate's",
"code": "Q035014",
"parent": "EDU_ATTAINMENT",
"value": "436",
"label": "Associate's",
"children": []
},
{
"name": "College Degree - Bachelor's",
"code": "Q035015",
"parent": "EDU_ATTAINMENT",
"value": "2999",
"label": "Bachelor's",
"children": []
},
{
"name": "College Degree - Master's",
"code": "Q035016",
"parent": "EDU_ATTAINMENT",
"value": "1763",
"label": "Master's",
"children": []
},
{
"name": "College - Professional",
"code": "Q035017",
"parent": "EDU_ATTAINMENT",
"value": "413",
"label": "Professional",
"children": []
},
{
"name": "College Degree - Doctorate",
"code": "Q035018",
"parent": "EDU_ATTAINMENT",
"value": "246",
"label": "Doctorate",
"children": []
},
{
"name": "Enrollments (Total Population)",
"code": "EDU_Enrollments",
"parent": "EDU_ATTAINMENT",
"label": "Enrollments (Total Population)",
"children": [
{
"name": "Nursery school/Preschool",
"code": "Q036003",
"parent": "EDU_Enrollments",
"value": "269",
"label": "Nursery school/Preschool",
"children": []
},
{
"name": "Kindergarten/Elementary school",
"code": "Q036006",
"parent": "EDU_Enrollments",
"value": "1156",
"label": "Kindergarten/Elementary school",
"children": []
},
{
"name": "High School",
"code": "Q036015",
"parent": "EDU_Enrollments",
"value": "539",
"label": "High School",
"children": []
},
{
"name": "College/Graduate /Professional school",
"code": "Q036018",
"parent": "EDU_Enrollments",
"value": "1869",
"label": "College/Graduate /Professional school",
"children": []
},
{
"name": "Not Enrolled",
"code": "Q036024",
"parent": "EDU_Enrollments",
"value": "10380",
"label": "Not Enrolled",
"children": []
}
]
},
{
"name": "Percents",
"code": "PCT_EDU_ATTAINMENT",
"parent": "EDU_ATTAINMENT",
"label": "Percents",
"children": [
{
"name": "% Grade Less than 9",
"code": "XQ035003",
"parent": "PCT_EDU_ATTAINMENT",
"value": "3.7231",
"label": "% Grade 9",
"children": []
},
{
"name": "% Grade 9 to 12",
"code": "XQ035007",
"parent": "PCT_EDU_ATTAINMENT",
"value": "6.0112",
"label": "% Grade 9 - 12",
"children": []
},
{
"name": "% High school",
"code": "XQ035011",
"parent": "PCT_EDU_ATTAINMENT",
"value": "11.8622",
"label": "% High school",
"children": []
},
{
"name": "% Some college",
"code": "XQ035012",
"parent": "PCT_EDU_ATTAINMENT",
"value": "19.2332",
"label": "% Some college",
"children": []
},
{
"name": "% College - Associate",
"code": "XQ035014",
"parent": "PCT_EDU_ATTAINMENT",
"value": "4.4073",
"label": "Associate",
"children": []
},
{
"name": "% College - Bachelors",
"code": "XQ035015",
"parent": "PCT_EDU_ATTAINMENT",
"value": "30.2966",
"label": "Bachelors",
"children": []
},
{
"name": "% College - Masters",
"code": "XQ035016",
"parent": "PCT_EDU_ATTAINMENT",
"value": "17.8096",
"label": "Masters",
"children": []
},
{
"name": "% College - Professional",
"code": "XQ035017",
"parent": "PCT_EDU_ATTAINMENT",
"value": "4.168",
"label": "Professional",
"children": []
},
{
"name": "% College - Doctorate",
"code": "XQ035018",
"parent": "PCT_EDU_ATTAINMENT",
"value": "2.4888",
"label": "Doctorate",
"children": []
}
]
}
];
var el=[
"Q035001",
"PCT_EDU_ATTAINMENT"
];
output = chartsArray = chartsArray.map(a => a.filter(function code(o) {
if (!el.includes(o.code)) {
if (o.children) {
o.children = o.children.filter(code);
}
return true;
}
}));
console.log(output)chartsArray
@SamHartmanはい – sten