Javascript：对多维数组进行排序
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Javascript: sort multidimensional array
提问by Jeff
After creating a multi-dim array like this, how do I sort it?
创建这样的多维数组后，如何对其进行排序？
Assuming 'markers' is already defined:
假设已经定义了“标记”：
var location = [];
for (var i = 0; i < markers.length; i++) {
location[i] = {};
location[i]["distance"] = "5";
location[i]["name"] = "foo";
location[i]["detail"] = "something";
}
For the above example, I need to sort it by 'distance'. I've seen other questions on sorting arrays and multi-dim arrays, but none seem to work for this.
对于上面的示例，我需要按“距离”对其进行排序。我已经看到有关排序数组和多维度数组的其他问题，但似乎没有一个适用于此。
回答by lincolnk
location.sort(function(a,b) {
// assuming distance is always a valid integer
return parseInt(a.distance,10) - parseInt(b.distance,10);
});
javascript's array.sortmethod has an optional parameter, which is a function reference for a custom compare. the return values are >0meaning bfirst, 0meaning aand bare equal, and <0meaning afirst.
javascript 的array.sort方法有一个可选参数，它是自定义比较的函数引用。返回值是>0含义b优先，0含义a和b相等，<0含义a优先。
回答by user113716
Have you tried this?
你试过这个吗？
location.sort(function(a,b) {
return a.distance - b.distance;
});
回答by Gus
Both sort functions posted so far should work, but your main problem is going to be using locationas a variable as it is already system defined.
到目前为止发布的两个排序函数都应该可以工作，但是您的主要问题是将其location用作变量，因为它已经是系统定义的。
