Display stock quotes from Yahoo!: Difference between revisions

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<jsxgraph width="700" height="400">
<jsxgraph width="700" height="400">
var hi, lo, brd, periodical,  
var hi, lo, brd, periodical,  
     brd, g, txt,
     brd, g, txt, val,
     x = [],
     x = [],
     y = [];
     y = [];
Line 25: Line 25:
                 x.push(x.length+1);
                 x.push(x.length+1);
                 y.push(a[1]);
                 y.push(a[1]);
                val = a[1];  // set the text
                 if (!g) {  
                 if (!g) {  
                     g = brd.createElement('curve', [x,y],{strokeWidth:3, strokeColor:'green'});  
                     g = brd.createElement('curve', [x,y],{strokeWidth:3, strokeColor:'green'});  
                     txt = brd.createElement('text', [3,(hi+lo)*0.5,a[1]],{fontSize:'14px'});  
                     txt = brd.createElement('text', [3,(hi+lo)*0.5,function(){return 'GDAXI = '+val;}],{fontSize:'14px'});  
                 } else {
                 } else {
                     g.dataX = x;                     
                     g.dataX = x;                     
                     g.dataY = y;
                     g.dataY = y;
                    txt.plaintextStr = 'GDAXI = ' + a[1];
                 }
                 }
                 brd.update();
                 brd.update();

Revision as of 14:18, 20 August 2009

This JSXGraph application fetches the live stock quotes of the German DAX Index (gdaxi) from Yahoo!. The curve is updated only once a second, so initially it needs a little patience until the curve is visible.

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