let s = { "age": [{ "FPA_19_25": "19~25" }, { "FPA_26_35": "26~35" }, { "FPA_36_45": "36~45" }], "Province": [{ "FPP_BEIJING": "北京" }, { "FPP_HEBEI": "河北" }] }
let sb = { age:[]};
s.age.forEach(item => {
for (var key in item) {
console.log(key);
console.log(item[key])
sb.age.push(item[key])
}
});
console.log(sb.age.join(','))it