遍歷您的JSON對象:
var cities = {
"seattle": [ {"latitude" : 47.6062}, {"longitude": 122.3321} ],
"jacksonville": [ {"latitude" : 0.3322 }, {"longitude" : 81.6557}]
}
Object.keys(cities).forEach(function(city){
console.log(city);
console.log(cities[city][0]["latitude"]);
console.log(cities[city][1]["longitude"]);
});
即使最好的解決辦法是改變你的JSON。刪除具有經度和緯度的陣列,只是有這兩個屬性的一個對象,像這樣:
var cities = {
"seattle": {"latitude" : 47.6062 , "longitude": 122.3321},
"jacksonville": {"latitude" : 0.3322 , "longitude" : 81.6557}
}
這樣做,你將能夠通過它與下面的循環迭代:
Object.keys(cities).forEach(function(city){
console.log(city);
console.log(cities[city]["latitude"]);
console.log(cities[city]["longitude"]);
});