我有一个数组,我只想从中获取名称。从多维数组中获取值
var peoples = [
{ "name": "dod", "class": "a", "age": 12 },
{ "name": "john", "class": "b", "age": 14 },
{ "name": "henry", "class": "c", "age": 23 }
];
如何从逗号分隔的每个对象中获取名称?
我有一个数组,我只想从中获取名称。从多维数组中获取值
var peoples = [
{ "name": "dod", "class": "a", "age": 12 },
{ "name": "john", "class": "b", "age": 14 },
{ "name": "henry", "class": "c", "age": 23 }
];
如何从逗号分隔的每个对象中获取名称?
jQuery中,
var peoples = [
{ "name": "dod", "class": "a", "age": 12 },
{ "name": "john", "class": "b", "age": 14 },
{ "name": "henry", "class": "c", "age": 23 }
];
var names = new Array();
$.each(peoples,function(key,value){
names[key] = value.name;
});
namelist = names.join(",");
console.log(namelist);
这绝对会做到在普通的JavaScript:
var peoples = [
{ "name": "dod", "class": "a", "age": 12 },
{ "name": "john", "class": "b", "age": 14 },
{ "name": "henry", "class": "c", "age": 23 }
];
var arr = [];
peoples.forEach(function(name) {
arr.push(name['name']);
});
console.log(arr.join(','));
as'Array.prototype.forEach'是'Ecmasript 5'的一部分,因此最好使用'Array.prototype.map'。 – rab
var peoples = [
{ "name": "dod", "class": "a", "age": 12 },
{ "name": "john", "class": "b", "age": 14 },
{ "name": "henry", "class": "c", "age": 23 }
];
alert(peoples.map(function(v){ return v.name; }).join());
'peoples.map(函数(五){回报诉name);})。join()' – rab
peoples [0] .name使用for循环遍历它们全部。 – Andries