遍历JSON响应对象

Question

I get a response from an API like below. How can I loop through the results using jQuery to access the value for 'appName' for example?

var apps = 
{ 
  358899126: 
   { appId: 358899126,
     appName: 'Tagged -Chill, Chat & Go Live!',
     primaryCategoryName: 'Social Networking' },
  359917414: 
   { appId: 359917414,
     appName: 'Solitaire',
     primaryCategoryName: 'Games' } 
}

Answer 1

You can use Object.keys to get the key of each object, and then use he square bracket syntax to get the actual object, like so:

 var apps = { 358899126: { appId: 358899126, appName: 'Tagged -Chill, Chat & Go Live!', primaryCategoryName: 'Social Networking' }, 359917414: { appId: 359917414, appName: 'Solitaire', primaryCategoryName: 'Games' } } Object.keys(apps).forEach((key) => { let obj = apps[key]; console.log(obj.appName); }); 

Answer 2

You need to use Object.keys to get all indexes of an object as an array and then loop through them.Try this.

var apps = 
{ 
  358899126: 
   { appId: 358899126,
     appName: 'Tagged -Chill, Chat & Go Live!',
     primaryCategoryName: 'Social Networking' },
  359917414: 
   { appId: 359917414,
     appName: 'Solitaire',
     primaryCategoryName: 'Games' } 
}
let k = Object.keys(apps);
for(var s = 0 ; s < k.length ; s++)
{
    console.log(apps[k[s]]['appName'];
}

Answer 3

Here you go with a solution

 var apps = { 358899126: { appId: 358899126, appName: 'Tagged -Chill, Chat & Go Live!', primaryCategoryName: 'Social Networking' }, 359917414: { appId: 359917414, appName: 'Solitaire', primaryCategoryName: 'Games' } } for(var k in apps){ console.log(apps[k].appName); } 

Loop will iterate through keys, for accessing the appName use the dot operator or can be done other way console.log(apps[k]["appName"]); .

Hope this will help you.