aaltay commented on a change in pull request #11020: [BEAM-7926] Update Data 
Visualization
URL: https://github.com/apache/beam/pull/11020#discussion_r387259752
 
 

 ##########
 File path: 
sdks/python/apache_beam/runners/interactive/interactive_environment.py
 ##########
 @@ -43,6 +43,55 @@
 
 _LOGGER = logging.getLogger(__name__)
 
+# By `format(customized_script=xxx)`, the given `customized_script` is
+# guaranteed to be executed within access to a jquery with datatable plugin
+# configured which is useful so that any `customized_script` is resilient to
+# browser refresh. Inside `customized_script`, use `$` as jQuery.
+_JQUERY_WITH_DATATABLE_TEMPLATE = """
+        if (typeof window.jquery341 == 'undefined') {{
+          var jqueryScript = document.createElement('script');
+          jqueryScript.src = 
'https://code.jquery.com/jquery-3.4.1.slim.min.js';
+          jqueryScript.type = 'text/javascript';
+          jqueryScript.onload = function() {{
+            var datatableScript = document.createElement('script');
+            datatableScript.src = 
'https://cdn.datatables.net/1.10.20/js/jquery.dataTables.min.js';
+            datatableScript.type = 'text/javascript';
+            datatableScript.onload = function() {{
+              window.jquery341 = jQuery.noConflict(true);
+              window.jquery341(document).ready(function($){{
+                {customized_script}
+              }});
+            }}
+            document.head.appendChild(datatableScript);
+          }};
+          document.head.appendChild(jqueryScript);
+        }} else {{
+          window.jquery341(document).ready(function($){{
+            {customized_script}
+          }});
+        }}"""
+
+_HTML_IMPORT_TEMPLATE = """
 
 Review comment:
   what does this do?

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