javascript - Specify posts to appear on Tumblr custom page -

i want create custom page , want posts couple of tags (e.g. photoset , gifset) appear on it. learned 1 way using tumblr api. i'm not knowledgeable in javascipt, can guide me through this? lot.

i think can filter post tags.

$.getjson("http://{name}.tumblr.com/api/read/json?tagged='[whatever tag specify]'&callback=?", function(data) {          // rest of code here...          }); 

i found code here.