modal javascript manually code example
Example 1: open bootstrap modal using javascript
$("#myModal").modal(); //open modal
$('#myModal').modal('toggle'); //open modal
$('#myModal').modal('show'); //open modal
$('#myModal').modal('hide'); //hide modal
//@sujay
Example 2: jquery display modal bs4
$('a[href$="#Modal"]').on( "click", function() {
$('#Modal').modal('show');
});