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function update_graph(g) {
return function(e) {
var payload = {i: document.getElementById('index').value,
s: document.getElementById('series').value,
t: document.getElementById('tenor').value,
w: document.getElementById('what').value};
$.getJSON("_data_indices",
payload,
function(data){
var newdata = data["data"].map(function(e){
f = e.slice(1);
f.unshift(new Date(e[0]));
return f});
g.updateOptions({'file': newdata, 'labels': data['labels']});
});
}
};
document.addEventListener("DOMContentLoaded", function(event) {
var g = new Dygraph(document.getElementById("graph"),
[], // path to CSV file
{ labels: [],
title: "Index quotes",
showRoller: true,
legend: "always"});
["index", "series", "tenor", "what"].forEach(function(id) {
document.getElementById(id).addEventListener('change',
update_graph(g))});
var event = new Event('change');
document.getElementById('index').dispatchEvent(event);
});
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