如何解析JSON文件并查找特定的键，然后返回值?

JSON newbie here. I am trying to do a lookup for a specific value from a JSON file. Basically, I have a search box where user can select a "name" (see jSON) from the existing list of "name"(s) from an auto-complete drop-down. The idea is to return the corresponding "url" value of the entered "name".JSON newbie here. I am trying to do a lookup fo