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js array sorting

巴扎黑Original: 2016-11-25 15:07:241215browse

1. Sorting of arrays. Array sorting can generally be solved using the sort() method.

var id=[&#39;001&#39;,&#39;010&#39;,&#39;005&#39;,&#39;006&#39;];
id.sort();
console.log(JSON.stringify(id));//["001","005","006","010"]

But there are many complex arrays that cannot be sorted directly in this way. However, we can sort by modifying the sort() method.

var goods_info=[
        {barcode:"005", type: &#39;食品&#39;, name: &#39;方便面&#39;, price: &#39;4.5&#39;, unit: &#39;袋&#39;},
        {barcode:"000", type: &#39;饮料&#39;, name: &#39;可口可乐&#39;, price: &#39;3&#39;, unit: &#39;瓶&#39;},
        {barcode:"002", type: &#39;水果&#39;, name: &#39;苹果&#39;, price: &#39;5.5&#39;, unit: &#39;斤&#39;},
        {barcode:"001", type: &#39;饮料&#39;, name: &#39;雪碧&#39;, price: &#39;3&#39;, unit: &#39;瓶&#39;},
        {barcode:"004", type: &#39;生活用品&#39;, name: &#39;电池&#39;, price: &#39;2&#39;, unit: &#39;个&#39;},
        {barcode:"003", type: &#39;水果&#39;, name: &#39;荔枝&#39;, price: &#39;15&#39;, unit: &#39;斤&#39;},];
goods_info.sort(function(a,b){
return a.barcode>b.barcode ? 1 : -1;
});
console.log(JSON.stringify(goods_info));

Just like this example, you can sort.

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