Once page load google tends graph is getting load under trendsBlock class. In below code once after calling next_fun() complete html code getting render with graph. I need to render inside of trendsBlock.
<html>
<body>
<script type="text/javascript" src="https://ssl.gstatic.com/trends_nrtr/1173_RC01/embed_loader.js"></script>
<div class="trendsBlock">
<script type="text/javascript">
trends.embed.renderExploreWidget("TIMESERIES", {"comparisonItem":[{"keyword":"dbs bank","geo":"IN","time":"2016-10-02 2017-11-02"},{"keyword":"citi bank","geo":"IN","time":"2016-10-02 2017-11-02"}],"category":0,"property":""}, {"exploreQuery":"date=2016-10-02 2017-11-02,2016-10-02 2017-11-02&geo=IN&q=dbs%20bank,citi%20bank","guestPath":"https://trends.google.com:443/trends/embed/"});
</script>
</div>
<button onclick="next_fun()">Click to next trends</button>
<script type="text/javascript">
function next_fun(){
//innerHTML in to class trendsBlock
//?
}
</script>
</body>
</html>