Populate <div> from a remote source on button click.

Populate <div> from a remote source on button click.

Hi, how do I populate a <div> from a remote JSON file.  The file will be on a remote server but I want to 

Here is a fiddle:

When the load data button is pressed I want the "JSON_data" div to be appended by listing all the  long_name from the remote file:

Any help or advice would be great thanks.