Function to remove buttons in custom record

The following function can be used to remove buttons in the custom record.

          function removeButton(scriptContext) {
                try {
                    if (scriptContext.newRecord.type == "customrecord_jj_landed_cost_inb"){
                        if (scriptContext.type == 'edit' || scriptContext.type == 'view') {
                            let hideFld = scriptContext.form.addField({
                                id: 'custpage_hide_buttons',
                                label: 'not shown - hidden',
                                type: serverWidget.FieldType.INLINEHTML
                            });
                            let scr = "";
                            // //Hiding the Attach button under Escalation
                            scr += 'jQuery("#attach.rndbuttoninpt").hide();';
                            scr += 'jQuery("#tr_attach.tabBnt").hide();';
                            // //Hiding the Customise View button in View mode
                            scr += 'jQuery("#customize.rndbuttoninpt").hide();';
                            scr += 'jQuery("#tr_customize.tabBnt").hide();';
                            //Hiding the New landed cost volume  button in View mode - RP
                            scr += 'jQuery("#newrecrecmachcustrecord_jj_link_custom_record.rndbuttoninpt.bntBgT").hide();';
                            scr += 'jQuery("#tr_newrecrecmachcustrecord_jj_link_custom_record").hide();';
                            //Hiding the New item based item receipt deatils button in View mode - RP
                            scr += 'jQuery("#newrecrecmachcustrecord_jj_landed_cost_volume.rndbuttoninpt.bntBgT").hide();';
                            scr += 'jQuery("#tr_newrecrecmachcustrecord_jj_landed_cost_volume").hide();';
                            // //Hiding the New landed cost volume  button in Edit mode - SB
                            scr += 'jQuery("#newrec327.rndbuttoninpt").hide();';
                            scr += 'jQuery("#tr_newrec327.tabBnt").hide();';
                            //Hiding the New item based item receipt deatils button in Edit mode - RP
                            scr += 'jQuery("#newrec842.rndbuttoninpt").hide();';
                            scr += 'jQuery("#tr_newrec842.tabBnt").hide();';
                            hideFld.defaultValue = "<script>jQuery(function($){require([], function(){" + scr + ";})})</script>";
                        }
                    }
                }
                catch (e) {
                    log.error("Error @ beforeLoad", e);
                }
            }