jQuery.getJSON demo
Example extract from jQuery api
JavaScript
var url = "http://hadrians-search.tk/search?search_param=ball&items_per_page=4&page_number=4";
$.getJSON(url, {
format: "json"
})
.done(function(data) {
// open the console !!
console.log(Object.values(data).map(x=>x.price))
console.log("------------------------")
console.log(Object.values(data).map(x=>({price:x.price,shippingCost:x.shippingCost})))
});