Answers for "bootstrap modal auto open"

bootstrap show modal on page load

<script type="text/javascript">
    $(window).on('load',function(){
        $('#myModal').modal('show');
    });
</script>

display modal without button click

$("#getCodeModal").modal("show");

open bootstrap modal with javascript

$("#myModal").modal()

bootstrap modal open event

$('#code').on('shown.bs.modal', function (e) {
  // do something...
})