charts - Google barchart tooltip no tail -


im using google barchart , added tooltips html in it. problem tooltip not have tail arrow thing. saw charts has arrow while others dont?

function drawfrequencycharts(response) {

var data2 = new google.visualization.datatable(); data2.addcolumn('number', 'value'); data2.addcolumn('number', 'value'); data2.addcolumn({'type': 'string', 'role': 'tooltip', 'p': {'html': true}});

.... code

var view = new google.visualization.dataview(data2);   var chart2 = new google.visualization.combochart(document.getelementbyid('barchart'));  var options2 = {     height: 300,     width: 500,     series: {         0: {             type: 'bars'         },         1: {             type: 'line',             color: 'grey',             linewidth: 0,             pointsize: 0,             visibleinlegend: false         }     },     colors: ['#3394d1'],     backgroundcolor: {         fill: 'transparent'     },     legend: 'none',     vaxis: {         maxvalue: 100,         minvalue: 0,         ticks: [{             v: 0,             f: '0%'         }, {             v: 25,             f: '25%'         }, {             v: 50,             f: '50%'         }, {             v: 75,             f: '75%'         }, {             v: 100,             f: '100%'         }, ]     },     haxis: {         format: '#',         viewwindowmode: 'explicit',         viewwindow: {             min: 0.1         },         title: 'drops per day',         gridlines: {             color: 'transparent'         },         ticks: ticksvalues     },     animation: {         duration: 750,         easing: 'linear',         startup: chartanimate     } };   chart2.draw(view, options2);

the problem "tail" you're using tooltip:{ishtml:true}. not shown tip, ordinary "box" floating above chart.

if revoke "normal" tooltip, you'll see 'tail'.

jsfiddle can see difference.


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