Answers for "update popover bootstrap"

popover bootstrap 4

<script>
$(document).ready(function(){
  $('[data-toggle="popover"]').popover({
  	  html: true
  }); 
});
</script>

bootstrap popover on dynamic element

var popOverSettings = {
    placement: 'bottom',
    container: 'body',
    html: true,
    selector: '[rel="popover"]', //Sepcify the selector here
    content: function () {
        return $('#popover-content').html();
    }
}

$('body').popover(popOverSettings);