我的JSON如下所示
{"DATA": [{"id":11,"name":"ajax","subject":"OR","mark":63},
{"id":12,"name":"javascript","subject":"OR","mark":63},
{"id":13,"name":"jquery","subject":"OR","mark":63},
{"id":14,"name":"ajax","subject":"OR","mark":63},
{"id":15,"name":"jquery","subject":"OR","mark":63},
{"id":16,"name":"ajax","subject":"OR","mark":63},
{"id":20,"name":"ajax","subject":"OR","mark":63}],"COUNT":"120"}
有没有什么好的方法可以从这个JSON中找到distinct name
结果javascript,jquery,ajax
我可以使用下面的方法做到这一点
var arr=[''];
var j=0;
for (var i = 0; i < varjson.DATA.length; i++) {
if($.inArray(varjson.DATA[i]["name"],arr)<0){
arr[j]=varjson.DATA[i]["name"];
j++;
}
}
有没有性能更好的better method
?
https://stackoverflow.com/questions/17780508
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