Ajax returns the JSON content sorted using the sort () method to implement _ajax related

The key method:sort () to sort the elements of the array.
return a.num-b.num is ascending;
return b.num-a.num; is descending
Writeln in the output after \ n, in the document is a newline, in the HTML is interpreted as a space.

Copy Code code as follows:

$.post ("Json.json", function (data) {
Data.sort (function (a,b) {return a.num-b.num;});
for (Var i=0;i<data.length;i++) {
var nums=data[i].num;
Document.writeln (Nums);
}
}, "JSON")

JSON data:
[
{
"num": "5"
},
{
"num": "1"
},
{
"num": "3"
},
{
"num": "2"
}
]