cmaes · August 29, 2015 14:24
diff --git a/index.html b/index.html
 <html>
 <head>
  <script src="//code.jquery.com/jquery-1.11.3.min.js"></script>
  <script src="//code.jquery.com/jquery-migrate-1.2.1.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js" charset="utf-8"></script>
 </head>
 <style>

 body {
  font: 10px sans-serif;
 }

 .axis path,
 .axis line {
  fill: none;
  stroke: #000;
  shape-rendering: crispEdges;
 }

 .x.axis path {
  display: none;
 }

 .line {
  fill: none;
  stroke: steelblue;
  stroke-width: 1.5px;
 }

 </style>
 <body>

 Hi
 <input id="stock_symbol" type="text" value="BA">
 <button onclick="get_quote()">Get Quote</button>
 <div id="foo">
 Yo
 </div>

 <script type="text/javascript">
 var margin = {top: 20, right: 20, bottom: 30, left: 50},
    width = 960 - margin.left - margin.right,
    height = 200 - margin.top - margin.bottom;

 var parseDate = d3.time.format("%d-%b-%y").parse;

 var x = d3.time.scale()
    .range([0, width]);

 var y = d3.scale.linear()
    .range([height, 0]);

 var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom");

 var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left");

 var line = d3.svg.line()
    .x(function(d) { return x(d.date); })
    .y(function(d) { return y(d.close); });

 var svg = d3.select("body").append("svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

 var parseDate = d3.time.format("%Y-%m-%d").parse;

 var quote;

 function get_quote() {
 var symbol =  $('#stock_symbol').val();
 if (symbol.length == 0) return;

 console.log('Getting data for', symbol);

 $.ajax({
        url: "https://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20yahoo.finance.historicaldata%20where%20symbol%20%3D%20%22" + symbol + "%22%20and%20startDate%20%3D%20%222014-09-11%22%20and%20endDate%20%3D%20%222015-06-30%22&format=json&diagnostics=true&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys&callback=quote",
        dataType: "jsonp",
        jsonp: "callback",
        jsonpCallback: "quote"
    });
 quote = function(data) {
   var stock_quotes = data.query.results.quote;
   var cur;
   var data = [];
   for (var i=0; i < stock_quotes.length; i++) {
      cur = stock_quotes[i];
      data[i] = { date: parseDate(cur.Date), close: +cur.Close}
   }

  console.log('Got ', data.length, 'closing prices');

  x.domain(d3.extent(data, function(d) { return d.date; }));
  y.domain(d3.extent(data, function(d) { return d.close; }));

  svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis);

  svg.append("g")
      .attr("class", "y axis")
      .call(yAxis)
    .append("text")
      .attr("transform", "rotate(-90)")
      .attr("y", 6)
      .attr("dy", ".71em")
      .style("text-anchor", "end")
      .text("Price ($)");

  svg.append("path")
      .datum(data)
      .attr("class", "line")
      .attr("d", line);

 };
 }
 </script>

 </body>
 </html>
	<html>
	<head>
	<script src="//code.jquery.com/jquery-1.11.3.min.js"></script>
	<script src="//code.jquery.com/jquery-migrate-1.2.1.min.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.5/d3.min.js" charset="utf-8"></script>
	</head>
	<style>

	body {
	font: 10px sans-serif;
	}

	.axis path,
	.axis line {
	fill: none;
	stroke: #000;
	shape-rendering: crispEdges;
	}

	.x.axis path {
	display: none;
	}

	.line {
	fill: none;
	stroke: steelblue;
	stroke-width: 1.5px;
	}

	</style>
	<body>

	Hi
	<input id="stock_symbol" type="text" value="BA">
	<button onclick="get_quote()">Get Quote</button>
	<div id="foo">
	Yo
	</div>

	<script type="text/javascript">
	var margin = {top: 20, right: 20, bottom: 30, left: 50},
	width = 960 - margin.left - margin.right,
	height = 200 - margin.top - margin.bottom;

	var parseDate = d3.time.format("%d-%b-%y").parse;

	var x = d3.time.scale()
	.range([0, width]);

	var y = d3.scale.linear()
	.range([height, 0]);

	var xAxis = d3.svg.axis()
	.scale(x)
	.orient("bottom");

	var yAxis = d3.svg.axis()
	.scale(y)
	.orient("left");

	var line = d3.svg.line()
	.x(function(d) { return x(d.date); })
	.y(function(d) { return y(d.close); });

	var svg = d3.select("body").append("svg")
	.attr("width", width + margin.left + margin.right)
	.attr("height", height + margin.top + margin.bottom)
	.append("g")
	.attr("transform", "translate(" + margin.left + "," + margin.top + ")");

	var parseDate = d3.time.format("%Y-%m-%d").parse;

	var quote;

	function get_quote() {
	var symbol = $('#stock_symbol').val();
	if (symbol.length == 0) return;

	console.log('Getting data for', symbol);

	$.ajax({
	url: "https://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20yahoo.finance.historicaldata%20where%20symbol%20%3D%20%22" + symbol + "%22%20and%20startDate%20%3D%20%222014-09-11%22%20and%20endDate%20%3D%20%222015-06-30%22&format=json&diagnostics=true&env=store%3A%2F%2Fdatatables.org%2Falltableswithkeys&callback=quote",
	dataType: "jsonp",
	jsonp: "callback",
	jsonpCallback: "quote"
	});
	quote = function(data) {
	var stock_quotes = data.query.results.quote;
	var cur;
	var data = [];
	for (var i=0; i < stock_quotes.length; i++) {
	cur = stock_quotes[i];
	data[i] = { date: parseDate(cur.Date), close: +cur.Close}
	}

	console.log('Got ', data.length, 'closing prices');

	x.domain(d3.extent(data, function(d) { return d.date; }));
	y.domain(d3.extent(data, function(d) { return d.close; }));

	svg.append("g")
	.attr("class", "x axis")
	.attr("transform", "translate(0," + height + ")")
	.call(xAxis);

	svg.append("g")
	.attr("class", "y axis")
	.call(yAxis)
	.append("text")
	.attr("transform", "rotate(-90)")
	.attr("y", 6)
	.attr("dy", ".71em")
	.style("text-anchor", "end")
	.text("Price ($)");

	svg.append("path")
	.datum(data)
	.attr("class", "line")
	.attr("d", line);

	};
	}
	</script>

	</body>
	</html>