Cannot Carry Out Ajax Request From Wikipedia

I want to use wikipedia API in my project to grab images of people, but fail. I use this url:https://en.wikipedia.org/w/api.php?action=query&prop=pageimages&titles=Albert%2

Solution 1:

You are trying to load the data using JSONP, but you are making a request to a URL that returns an HTML document. JSONP requests have to be answered with JavaScript programs (since that is a fundamental feature of how they work … and also why they are dangerous and should be avoided in favour of plain JSON and CORS).

To make it return JSONP you need to provided two additional query string parameters:

• format=json
• callback=YourCallbackName

… where YourCallbackName is the name of the function that should be executed and passed the data you are fetching as an argument. Most Ajax libraries will generate that name (and the function itself) dynamically when you specify callback=?.

Solution 2:

https://en.wikipedia.org/w/api.php?action=query&prop=pageimages&titles=Albert%20Einstein&pithumbsize=100&format=json

You are missing the &format=json on the URL - The page was displaying the data with the html header and you would have been attempting to decode this. The above answer is actually better.