overflow: auto
CSS attribute that making the overflow content scrollable. data-dropdown-parent="#modal_element_id"
as explained in the documentation.<select class="form-select form-select-solid" data-control="select2" data dropdown-parent="#mmmodal">
<select class="form-select form-select-solid" >
<script>
$("#select2").select2({
dropdownParent: $("#exampleModal")
});
</script>
<!-- Button trigger modal -->
<button type="button" class="btn btn-primary" data-bs-toggle="modal"
data-bs-target="#mmmodal">
Launch demo modal
</button>
<!-- Modal -->
<div class="modal fade" id="mmmodal" tabindex="-1">
<div class="modal-dialog modal-lg">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" >Modal title</h5>
<button type="button" class="btn-close" data-bs-dismiss="modal"
aria-label="Close"></button>
</div>
<div class="modal-body">
<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR>...<BR><BR>
<label class="form-label">Email address</label>
<select class="form-select form-select-solid"
data-control="select2" data-dropdown-parent="#mmmodal"
data-placeholder="Select an option" data-allow-clear="true">
<option></option>
<option value="1">Option 1</option>
<option value="2">Option 2</option>
<option value="3">Option 3</option>
<option value="4">Option 4</option>
<option value="5">Option 5</option>
</select>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-secondary"
data-bs-dismiss="modal">Close</button>
<button type="button" class="btn btn-primary">Save
changes</button>
</div>
</div>
</div>
</div>
data-dropdown-parent="body"