JQuery, League of Legends Item Build Generator for https://probuilds.net/

lolitembuild-probuilds.js

var output = {};
output["blocks"] = {[0]: {},[1]: {}};
output["blocks"][0]["items"] = new Array();
output["blocks"][1]["items"] = new Array();

var date = new Date();
date = date.toLocaleDateString();

function builditemfile(datadragon){
	var mydata = {};

	$("#final-builds>a").find('.bigData').each(function(i,v){ 
		var v = $(v); // Make the value usable.

		var ply = v.find(".player").text();
		var kda = $(v.find(".kda"));

		var kda_ratio = (Number(kda.find(".green").text()) + Number(kda.find(".gold").text()))/Math.min(1,Number(kda.find(".green").text()));
		mydata[kda_ratio] = {name: ply, v: v}
	})

	kda_ratio = Math.max.apply(Math, Object.keys(mydata));
	mydata = mydata[kda_ratio];

	mydata.v.find(".items>.left img").each(function(i,v){
		var v = $(v);
		output["blocks"][0]["items"].push({["id"]: v.attr("data-id"), ["count"]: 1});
	});

	output["blocks"][0]["type"] = mydata.name+"\'s Build @ "+mydata.v.find("._gold").text()+" Gold (Ratio: "+kda_ratio+") ["+datadragon["lg"]+"]";

	// --------------------- //

	$(".popular-items .bigData").each(function(i,v){ 
		var item = $(v).find(".item[data-type='items']").attr("data-id")
		if(item){
			output["blocks"][1]["items"].push({["id"]: item, ["count"]: 1});
		}
	});

	output["blocks"][1]["type"] = "Current Popular Items ["+datadragon["lg"]+"] ("+date+")";

	output = JSON.stringify(output);
	output = output.replace(/\"[0-1]\"\:/g, "");

	console.log(output)
}

$.getJSON("https://ddragon.leagueoflegends.com/realms/na.json", builditemfile)

Untested, will test it later!