yes , it display the total number, but all the thing disappear (chart and
table)...
function drawChart() {
var jsonData =$.ajax({
url: "goo2.php",
dataType:"json",
async: false
}).responseText;
var data = new google.visualization.DataTable(jsonData);
var count =0;
//document.write(count);
for (var i = 0; i < data.getNumberOfRows(); i++) {
if (data.getValue(i, 7) > 80) {
count ++;
}
}
document.write(count);
var columnsTable = new google.visualization.DataTable();
columnsTable.addColumn('number', 'colIndex');
columnsTable.addColumn('string', 'colLabel');
var initState= {selectedValues: []};
// put the columns into this data table (skip column 0)
for (var i = 3; i < data.getNumberOfColumns(); i++) {
columnsTable.addRow([i, data.getColumnLabel(i)]);
initState.selectedValues.push(data.getColumnLabel(i));
}
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