I get JSON like;
[{"ph":6,"broj":4},{"ph":6,"broj":5},{"ph":7,"broj":6},{"ph":9,"broj":8},{"ph":5,"broj":9}]
And now I have troble in HTML row:
google.charts.setOnLoadCallback(drawChart); //row 13
data.addRows(JSON.parse(jsonData)); //row 28
ERROR is:
Uncaught (in promise) SyntaxError: Unexpected token u in JSON at position 0
at JSON.parse (<anonymous>)
at drawChart (load.html:28)
at <anonymous>
drawChart @ load.html:28
Promise resolved (async)
google.G.H.T.nl @ loader.js:225
(anonymous) @ load.html:13
*Do you have any idea?*
HTML code
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
<html>
<head>
<!--Load the AJAX API-->
<title>Pregled mjerenih podataka</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="text/javascript"
src="https://www.gstatic.com/charts/loader.js";></script>
<script type="text/javascript"
src="//ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
<script type="text/javascript">
google.charts.load('current', {packages: ['corechart', 'line']});
google.charts.setOnLoadCallback(drawChart);
function drawChart() {
var jsonData = $.ajax({
url: "getData2.php",
dataType: "json"
}).responseText;
// Create our data table out of JSON data loaded from server.
var data = new google.visualization.DataTable();
data.addColumn('number', 'ph');
data.addColumn('number', 'broj');
//var foo = '[[2004, 5],[2005, 8.5],[2006,6.5],[2007,8]]';
data.addRows(JSON.parse(jsonData));
//data.addRows(JSON.parse(jsonData));
var options = {
title:'pH vrijednosti zadnjih 5 mjerenja',
width: 1000, height: 300,
hAxis: {
title:'datum'
},
vAxis: {
title: 'pH'
},
};
var chart = new
google.visualization.LineChart(document.getElementById('chart_div'));
chart.draw(data, options);
}
</script>
</head>
<body>
<!--Div that will hold the pie chart-->
<div id="text">Graf</div>
<div id="chart_div"></div>
</body>
</html>
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