javascript 从对象数组中 按字段/属性取最大值或最小值

var array=[
        {
            "index_id": 119,
            "area_id": "18335623",
            "name": "满意度",
            "value": "100"
        },
        {
            "index_id": 119,
            "area_id": "18335624",
            "name": "满意度",
            "value": "20"
        },
        {
            "index_id": 119,
            "area_id": "18335625",
            "name": "满意度",
            "value": "80"
        }
];

取最大值：Math.max.apply(Math, array.map(function(o) {return o.value}))

取最小值：Math.min.apply(Math, array.map(function(o) {return o.value}))

说明：array是我们上面定义的数组，o.value就是要比较的字段。

 

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