Does it work if you leave out the "new " before the Date? The string
notation (useful with JSON) does not support the extra "new " which is a
JavaScript instance constructor notation.
On Tue, Feb 13, 2018 at 1:49 AM, anup sharma <
anupsharma.technotechin...@gmail.com> wrote:
> This is my code:
>
> var data = new google.visualization.DataTable();
> data.addColumn('date', 'Value');
> data.addColumn('number', 'Value');
>
> var jsonData = [ { "added_date" : "new Date(2018,0,31)",
> "count" : "42" },
> { "added_date" : "new Date(2018,1,1)",
> "count" : "127" },
> { "added_date" : "new Date(2018,1,2)",
> "count" : "26" },
> { "added_date" : "new Date(2018,1,3)",
> "count" : "94" },
> { "added_date" : "new Date(2018,1,5)",
> "count" : "14" },
> { "added_date" : "new Date(2018,1,6)",
> "count" : "31" },
> { "added_date" : "new Date(2018,1,7)",
> "count" : "2" },
> { "added_date" : "new Date(2018,1,8)",
> "count" : "214" },
> { "added_date" : "new Date(2018,1,9)",
> "count" : "26" },
> { "added_date" : "new Date(2018,1,10)",
> "count" : "26" },
> { "added_date" : "new Date(2018,1,11)",
> "count" : "10" },
> { "added_date" : "new Date(2018,1,12)",
> "count" : "102" },
> { "added_date" : "new Date(2018,1,13)",
> "count" : "6" } ];
> for (var i = 0; i < jsonData.length; i++) {
>
> data.addRow([jsonData[i].added_date,parseInt(jsonData[
> i].count)]);
> }
> var options = {
> title: 'Date wise Usage'
> };
> var chart = new google.visualization.ColumnChart(document.
> getElementById("columnchart"));
> chart.draw(data, options);
>
> when execute i have got the error
> *Uncaught Error: Type mismatch. Value new Date(2018,0,31) does not match
> type date in column index 0*
>
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--
Daniel LaLiberte <https://plus.google.com/100631381223468223275?prsrc=2>
dlalibe...@google.com <dlalibe...@google.com> 5CC, Cambridge MA
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