Silver Simple AJAX call to load an HTML document

by Lucille Kenney

HTML

<b>Simple AJAX call to load an HTML document
</b>
<p>The video for this example demonstrates a few cross-domain scripting limitations.  Don't assume you can access <b>any</b> URL using an AJAX request!</p>
<div id="putItHere">&nbsp;</div>

JavaScript

var el = document.getElementById("putItHere");

//  Create the XHR, intitalize the connection with open()) 
//  and send the request  ... https://www.quandl.com/resources/api-for-commodity-data
var xhr = new XMLHttpRequest();

// 1) Silver, Engelhard industrial bullion daily
//xhr.open("GET", "http://www.quandl.com/api/v1/datasets/WSJ/AG_EIB"); 
// Use this API call to get data in JSON format, using your selected parameters.
//xhr.open("GET", "https://www.quandl.com/api/v1/datasets/WSJ/AG_EIB.json?auth_token=dCkdMBF2jDN6_XfYnkZe&rows=1"); 


// 2) Silver, Engelhard fabricated products daily
//xhr.open("GET", "http://www.quandl.com/api/v1/datasets/WSJ/AG_EFP"); 

// 3) Silver, Handy & Harman base daily: Units: $ per troy oz. Source: via WSJ Market Data Center.
//xhr.open("GET", "http://www.quandl.com/api/v1/datasets/WSJ/AG_HHB"); 

// 4) Silver, Handy & Harman fabric daily: Units: $ per troy oz. Source: via WSJ Market Data Center.
//xhr.open("GET", "http://www.quandl.com/api/v1/datasets/WSJ/AG_HHF"); 

// 5) DEPRICATED! Silver Price: London Fixings. London Bullion Market Association (LBMA). Fixing levels are set per troy ounce
//["Date","USD","GBP","EUR"],"private":false,"type":null,"premium":false,"data":[["2015-04-15",16.18,10.974,15.2786]]}
//xhr.open("GET", "http://www.quandl.com/api/v1/datasets/OFDP/SILVER_5.json?auth_token=dCkdMBF2jDN6_XfYnkZe&rows=0"); 

// NO 6) Silver, Silver Coins, wholesale daily Cash commodity price for Silver Coins, wholesale. Units: $ per $1,000 face value.
//xhr.open("GET", "http://www.quandl.com/api/v1/datasets/WSJ/AG_CNF"); 

// NO 7) Silver, Shanghai Silver Futures daily Contract Size : 15 kilograms /lot
//xhr.open("GET", "http://www.quandl.com/api/v1/datasets/SHFE/AGV2013"); 

// NO 8) Silver, COMEX Silver Futures daily Non-adjusted price based on spot-month continuous contract calculations.
//xhr.open("GET", "http://www.quandl.com/api/v1/datasets/OFDP/FUTURE_SI1"); 

// NO 9) Silver, World Bank monthly
//xhr.open("GET",...