转 json格式 Js里循环遍历json格式数据

最新推荐文章于 2022-09-06 10:50:51 发布

原创最新推荐文章于 2022-09-06 10:50:51 发布 · 235 阅读

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文章标签：

#json #javascript #ViewUI

本文展示了如何使用JavaScript循环遍历JSON格式的数据，并详细解释了两种不同的遍历方式，包括直接遍历和嵌套遍历。通过实例代码演示，帮助开发者更好地理解和应用JSON数据处理。

json格式 Js里循环遍历json格式数据
分类： JavaScript 2010-12-17 12:20 1035人阅读评论(0) 收藏举报

什么是JOSN

http://www.cnblogs.com/gooddasenlin/archive/2009/05/31/1493116.html

view plainprint?

1. var list = {'list':[{"id":8,"password":"月月","username":"维吾尔"},
2. {"id":7,"password":"dfgsfdf","username":"dfdfdf"},
3. {"id":6,"password":"aaabbb","username":"aaaabbb"},
4. {"id":5,"password":"gfdfgdf","username":"fggegte"},
5. {"id":3,"password":"dfgfgrewr","username":"hahaha"},
6. {"id":2,"password":"fggfhgfh","username":"fddgfgh"},
7. {"id":1,"password":"hdghdgd","username":"dfsgss"}]};
8.
9.
10. for(var l in list){
11. alert(l+" "+list[l]);
12. for(var c in list[l]){
13. alert(list[l][c].id+" "+list[l][c].password+" "+list[l][c].username);
14. }
15. }
16.
17. for(var l in list){
18. alert(l+" "+list[l]);
19. for(var c in list[l]){
20. for(var _c in list[l][c]){
21. alert(_c+" "+list[l][c][_c]);
22. };
23. }
24. }
25.
26. var li = [{"id":8,"password":"月月","username":"维吾尔"},
27. {"id":7,"password":"dfgsfdf","username":"dfdfdf"},
28. {"id":6,"password":"aaabbb","username":"aaaabbb"},
29. {"id":5,"password":"gfdfgdf","username":"fggegte"},
30. {"id":3,"password":"dfgfgrewr","username":"hahaha"},
31. {"id":2,"password":"fggfhgfh","username":"fddgfgh"},
32. {"id":1,"password":"hdghdgd","username":"dfsgss"}];
33.
34. for(var i in li){
35. alert(i+" "+li[i]);
36. for(var _i in li[i]){
37. alert(_i+" "+li[i][_i]);
38. }
39. }

var list = {'list':[{"id":8,"password":"月月","username":"维吾尔"}, {"id":7,"password":"dfgsfdf","username":"dfdfdf"}, {"id":6,"password":"aaabbb","username":"aaaabbb"}, {"id":5,"password":"gfdfgdf","username":"fggegte"}, {"id":3,"password":"dfgfgrewr","username":"hahaha"}, {"id":2,"password":"fggfhgfh","username":"fddgfgh"}, {"id":1,"password":"hdghdgd","username":"dfsgss"}]}; for(var l in list){ alert(l+" "+list[l]); for(var c in list[l]){ alert(list[l][c].id+" "+list[l][c].password+" "+list[l][c].username); } } for(var l in list){ alert(l+" "+list[l]); for(var c in list[l]){ for(var _c in list[l][c]){ alert(_c+" "+list[l][c][_c]); }; } } var li = [{"id":8,"password":"月月","username":"维吾尔"}, {"id":7,"password":"dfgsfdf","username":"dfdfdf"}, {"id":6,"password":"aaabbb","username":"aaaabbb"}, {"id":5,"password":"gfdfgdf","username":"fggegte"}, {"id":3,"password":"dfgfgrewr","username":"hahaha"}, {"id":2,"password":"fggfhgfh","username":"fddgfgh"}, {"id":1,"password":"hdghdgd","username":"dfsgss"}]; for(var i in li){ alert(i+" "+li[i]); for(var _i in li[i]){ alert(_i+" "+li[i][_i]); } }

var obj = [ {"date":"2010-12-19", "price":123},
{"date":"2010-12-12", "price":33},
{"date":"2010-12-21", "price":444}
];

for(var i=0;i<obj.length;i++){
if(obj[i].date == '2010-12-12'){
return obj[i].price
}
}