How to Display pdf with full screen on sharepoint online modern page

How to hide/disable  sharePoint list drop down , text  Term field in SharePoint Edit form using Jquery

To hide drop down/term store field

Note:  Refer jquery in the beginning

$(document).ready(function(){

    $('td').each(function(){
        if($(this).find('nobr').text() === 'UserName) {
            $(this).closest('tr').hide();
        }
    });
      //Disable Text box / Drop down
      $("select[title$='Address']").attr('disabled', 'disabled');

       //Hide  Text box
     $("input[title='Userid']").closest("tr").hide();
});

//Hide  Dropdown list
$('nobr:contains("OtherCity")').closest('tr').hide();

Source
https://blog.devoworx.net/2016/03/19/show-hide-fields-based-on-choice-field-selection-using-jquery-in-sharepoint/