August 30th, 2014

Google Chart: Dynamic Data Series from a Column in JavaScript Array

The simplest way to draw Google chart is to create simple JavaScript array of data, Convert to dataTable using arrayToDataTable method, pass it in chart.draw method. But what would happen if you have a array of 3 columns and you have to add series dynamically based on a particular column? In this case, you don’t know about the number of series, it is based on the values of the column. Let us take following JavaScript array as an example: