jQuery对象属性值的平均值 [英] jquery object properties value average

问题描述

我有以下对象:

rating {
     atmosphere: 85
     cleanliness: 91
     facilities: 91
     staff: 85
     security: 94
     location: 78
     valueForMoney: 85
    }

如何获取所有属性值的平均和?

How can I get the average sum of all of the properties value?

  $.each( json.rating, function( key, value) {
    console.log( key + ": " + value);

  });

推荐答案

您可以遍历对象的属性以获取总值，然后将其除以对象本身中的数字或属性:

You can loop through the object's properties to get the total value, then divide that by the number or properties in the object itself:

var total = 0;
for (var key in json.rating) {
    total += json.rating[key];
}
console.log(total / Object.keys(json.rating).length);

工作示例

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