javascript - Google pie chart data table values -

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Google website has a code for creating pie charts: 
  google.load (" Visualization "," 1 ", {Package: [" Corechart "]}); Google.setOnLoadCallback (drawChart); Function drawChart () {var data = google.visualization.arrayToDataTable ([['work', 'hour per day'], ['work', 11], ['eat', 2], ['commute', 2] , ['Clock TV', 2], ['sleep', 7]]); Var option = {title: 'my daily actions'}; Var chart = new google.visualization.PieChart (document.getElementById ('piechart')); Chart.draw (data, options);   
 I have a global conflict which I would like to set it to value, and for example would like to introduce a new value in the chart:  
  var tmp = MyGlobalVariable 10; google.load ("visualization", "1", {package: ["corechart"]}); Google.setOnLoadCallback (drawChart); Function drawChart () {var data = google.visualization.arrayToDataTable ([['Task', 'Hour per day'], ['Work', TMP], ['et', 3], ['Commute', 2] , ['Clock TV', 2], ['sleep', 7]]);   
 Every time I use TMP Var, it terminates 'work' from the chart. The Google Chart Library provides a SVG from a dataset.   
 
 
  
 If you want to change STVG, then you have to 'redraw (draw chart)' chart.  
 A small example (Unchester, too many times):  
  window.mychart = {data: [['task', 'hour per day'], [' '' My Daily Activities '' ['Kha', 2], ['Commute', 2], ['Watch TV', 2], ['Sleep', 7]], }, Chart: empty, init: function (elId) {this.chart = new google.visualization.PieChart (document.getElementById (LID)); This.drawChart (); }, drawChart: function () {this.chart.draw (this.data, this.options); }};   
 Usage:  
  google.load ("visualization", "1", {package: ["corechart"]}); MyChart.init ('my-chart-id') google.setOnLoadCallback (myChart.drawChart);   
 Then you want to change some data:  
  mychart.data ['work'] = 10; mychart.drawChart ();

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