diff --git a/html/extra-networks-pane.html b/html/extra-networks-pane.html
index d8f9ac046..17631949b 100644
--- a/html/extra-networks-pane.html
+++ b/html/extra-networks-pane.html
@@ -1,4 +1,4 @@
-<div id='{tabname}_{extra_networks_tabname}_pane' class='extra-network-pane'>
+<div id='{tabname}_{extra_networks_tabname}_pane' class='extra-network-pane', data-tabname-full="{tabname}_{extra_networks_tabname}">
     <div id="{tabname}_{extra_networks_tabname}_controls" class="extra-network-controls" style="display:none">
         <div class="extra-network-control--search">
             <svg class="extra-network-control--search-icon" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"
diff --git a/javascript/extraNetworks.js b/javascript/extraNetworks.js
index eb5f897fc..f541afe57 100644
--- a/javascript/extraNetworks.js
+++ b/javascript/extraNetworks.js
@@ -1,3 +1,5 @@
+const SEARCH_INPUT_DEBOUNCE_TIME_MS = 250;
+
 const re_extranet = /<([^:^>]+:[^:]+):[\d.]+>(.*)/;
 const re_extranet_g = /<([^:^>]+:[^:]+):[\d.]+>/g;
 const re_extranet_neg = /\(([^:^>]+:[\d.]+)\)/;
@@ -7,7 +9,6 @@ const clusterizers = {};
 var globalPopup = null;
 var globalPopupInner = null;
 const storedPopupIds = {};
-const tab_setup_complete = {};
 const extraPageUserMetadataEditors = {};
 // A flag used by the `waitForBool` promise to determine when we first load Ui Options.
 const initialUiOptionsLoaded = { state: false };
@@ -197,14 +198,14 @@ function extraNetworksSetupTabContent(tabname, pane, controls_div) {
 
         // Debounce search text input. This way we only search after user is done typing.
         let search_input_debounce = debounce(() => {
-            if (txt_search.value) {
-                extraNetworksApplyFilter(tabname_full);
-            }
-        }, 250);
+            extraNetworksApplyFilter(tabname_full);
+        }, SEARCH_INPUT_DEBOUNCE_TIME_MS);
         txt_search.addEventListener("keyup", search_input_debounce);
 
         // Update search filter whenever the search input's clear button is pressed.
-        txt_search.addEventListener("extra-network-control--search-clear", () => extraNetworksApplyFilter(tabname_full));
+        txt_search.addEventListener("extra-network-control--search-clear", () => {
+            extraNetworksApplyFilter(tabname_full);
+        });
 
         // Insert the controls into the page.
         var controls = gradioApp().querySelector(`#${tabname_full}_controls`);
@@ -212,8 +213,6 @@ function extraNetworksSetupTabContent(tabname, pane, controls_div) {
         if (pane.style.display != "none") {
             extraNetworksShowControlsForPage(tabname, tabname_full);
         }
-    }).then(() => {
-        tab_setup_complete[tabname_full] = true;
     });
 }
 
@@ -313,6 +312,7 @@ function extraNetworksApplyFilter(tabname_full) {
 }
 
 function extraNetworksClusterizersEnable(tabname_full) {
+    /** Enables the selected tab's clusterizer and disables all others. */
     // iterate over tabnames
     for (const [_tabname_full, tab_clusterizers] of Object.entries(clusterizers)) {
         // iterate over clusterizers in tab
@@ -323,14 +323,15 @@ function extraNetworksClusterizersEnable(tabname_full) {
     }
 }
 
-function extraNetworkClusterizersOnTabLoad(tabname_full) {
+function extraNetworkClusterizersOnTabLoad(tabname_full) { /** promise */
     return new Promise(resolve => {
-        /** Enables a tab's clusterizer, updates its data, and rebuilds it. */
+        // Enables a tab's clusterizer, updates its data, and rebuilds it.
         if (!(tabname_full in clusterizers)) {
             return resolve();
         }
         
         (async () => {
+            // Enable then load the selected tab's clusterize lists.
             extraNetworksClusterizersEnable(tabname_full);
             for (const v of Object.values(clusterizers[tabname_full])) {
                 await v.load();
@@ -346,7 +347,7 @@ function extraNetworksSetupEventHandlers() {
     // This will automatically fit the left pane to the size of its largest loaded row.
     window.addEventListener("resizeHandleDblClick", (e) => {
         e.stopPropagation();
-        const tabname_full = e.target.closest(".extra-network-pane").id.replace("_pane", "");
+        const tabname_full = e.target.closest(".extra-network-pane").dataset.tabnameFull;
         // This event is only applied to the currently selected tab if has clusterize list.
         if (!(tabname_full in clusterizers)) {
             return;
@@ -489,34 +490,6 @@ function extraNetworksTreeProcessDirectoryClick(event, btn, tabname_full) {
     var true_targ = event.target;
     const div_id = btn.dataset.divId;
 
-    function _expandOrCollapse(_btn) {
-        // Expands/Collapses all children of the button.
-        if ("expanded" in _btn.dataset) {
-            delete _btn.dataset.expanded;
-            clusterizers[tabname_full].tree_list.removeChildRows(div_id);
-        } else {
-            _btn.dataset.expanded = "";
-            clusterizers[tabname_full].tree_list.addChildRows(div_id);
-        }
-        // update html after changing attr.
-        clusterizers[tabname_full].tree_list.updateDivContent(div_id, _btn.outerHTML);
-        clusterizers[tabname_full].tree_list.updateRows();
-    }
-
-    function _removeSelectedFromAll() {
-        // Removes the `selected` attribute from all buttons.
-        var sels = document.querySelectorAll(".tree-list-item");
-        [...sels].forEach(el => {
-            delete el.dataset.selected;
-        });
-    }
-
-    function _selectButton(_btn) {
-        // Removes `data-selected` attribute from all buttons then adds to passed button.
-        _removeSelectedFromAll();
-        _btn.dataset.selected = "";
-    }
-
     function _updateSearch(_search_text) {
         // Update search input with select button's path.
         var search_input_elem = gradioApp().querySelector(`#${tabname_full}_extra_search`);
@@ -525,21 +498,19 @@ function extraNetworksTreeProcessDirectoryClick(event, btn, tabname_full) {
         extraNetworksApplyFilter(tabname_full);
     }
 
-
-    // If user clicks on the chevron, then we do not select the folder.
     if (true_targ.matches(".tree-list-item-action--leading, .tree-list-item-action-chevron")) {
-        _expandOrCollapse(btn);
-    } else {
-        // User clicked anywhere else on the button.
-        if ("selected" in btn.dataset) {
-            // If folder is selected, deselect button.
-            delete btn.dataset.selected;
+        // If user clicks on the chevron, then we do not select the folder.
+        let prev_selected_elem = gradioApp().querySelector(".tree-list-item[data-selected='']");
+        clusterizers[tabname_full].tree_list.onRowExpandClick(div_id, btn);
+        let selected_elem = gradioApp().querySelector(".tree-list-item[data-selected='']");
+        if (prev_selected_elem instanceof Element && !(selected_elem instanceof Element)) {
+            // if a selected element was removed, clear filter.
             _updateSearch("");
-        } else {
-            // If folder is not selected, select it.
-            _selectButton(btn);
-            _updateSearch(btn.dataset.path);
         }
+    } else {
+        // user clicked anywhere else on row.
+        clusterizers[tabname_full].tree_list.onRowSelected(div_id, btn);
+        _updateSearch("selected" in btn.dataset ? btn.dataset.path : "");
     }
 }
 
@@ -599,19 +570,18 @@ function extraNetworkDirsOnClick(event, tabname_full) {
 function extraNetworksControlSearchClearOnClick(event, tabname_full) {
     /** Clears the search <input> text. */
     let clear_btn = event.target.closest(".extra-network-control--search-clear");
-
-    // Deselect all buttons from both dirs view and tree view
-    gradioApp().querySelectorAll(".extra-network-dirs-view-button").forEach((elem) => {
-        delete elem.dataset.selected;
-    });
-
-    gradioApp().querySelectorAll(".tree-list-item").forEach((elem) => {
-        delete elem.dataset.selected;
-    });
-
     let txt_search = clear_btn.previousElementSibling;
     txt_search.value = "";
-    txt_search.dispatchEvent(new CustomEvent("extra-network-control--search-clear", {}));
+    txt_search.dispatchEvent(
+        new CustomEvent(
+            "extra-network-control--search-clear",
+            {
+                detail: {
+                    tabname_full: tabname_full
+                }
+            }
+        )
+    );
 }
 
 function extraNetworksControlSortModeOnClick(event, tabname_full) {
@@ -650,7 +620,7 @@ function extraNetworksControlSortDirOnClick(event, tabname_full) {
     }
 
     if (tabname_full in clusterizers) {
-        clusterizers[tabname_full].cards_list.setSortDir(event.currentTarget);
+        clusterizers[tabname_full].cards_list.setSortDir(event.currentTarget.dataset.sortDir.toLowerCase());
         extraNetworksApplyFilter(tabname_full);
     }
 }
@@ -705,7 +675,6 @@ function extraNetworksControlRefreshOnClick(event, tabname_full) {
      */
     // reset states
     initialUiOptionsLoaded.state = false;
-    tab_setup_complete = {};
     // Fire an event for this button click.
     gradioApp().getElementById(`${tabname_full}_extra_refresh_internal`).dispatchEvent(new Event("click"));
 }
diff --git a/javascript/extraNetworksClusterizeList.js b/javascript/extraNetworksClusterizeList.js
index 223fbe9d6..3fddb60dd 100644
--- a/javascript/extraNetworksClusterizeList.js
+++ b/javascript/extraNetworksClusterizeList.js
@@ -1,4 +1,4 @@
-const JSON_UPDATE_DEBOUNCE_TIME_MS = 1000;
+const JSON_UPDATE_DEBOUNCE_TIME_MS = 250;
 const RESIZE_DEBOUNCE_TIME_MS = 250;
 // Collators used for sorting.
 const INT_COLLATOR = new Intl.Collator([], { numeric: true });
@@ -132,9 +132,9 @@ function decompress(base64string) {
 
 const parseHtml = function (str) {
     /** Converts an HTML string into an Element type. */
-    const tmp = document.implementation.createHTMLDocument('');
-    tmp.body.innerHTML = str;
-    return [...tmp.body.childNodes];
+    let parser = new DOMParser();
+    let tmp = parser.parseFromString(str, "text/html");
+    return tmp.body.firstElementChild;
 }
 
 const getComputedValue = function (container, css_property) {
@@ -260,13 +260,12 @@ class ExtraNetworksClusterize {
                 return resolve();
             }
             Promise.resolve(encoded_str)
+                .then(v => { if (!isNullOrUndefined(this.clusterize)) {this.clear();} return v; })
                 .then(v => decompress(v))
                 .then(v => JSON.parse(v))
                 .then(v => this.updateJson(v))
                 .then(() => this.encoded_str = encoded_str)
                 .then(() => this.rebuild())
-                //.then(() => this.init())
-                //.then(() => this.repair())
                 .then(() => this.applyFilter())
                 .then(() => { return resolve(); });
         });
@@ -308,7 +307,7 @@ class ExtraNetworksClusterize {
         var results = [];
         for (const div_id of this.data_obj_keys_sorted) {
             if (obj[div_id].active) {
-                results.push(obj[div_id].element.outerHTML);
+                results.push(obj[div_id].html);
             }
         }
         return results;
@@ -324,11 +323,11 @@ class ExtraNetworksClusterize {
         */
         if (!(div_id in this.data_obj)) {
             console.error("div_id not in data_obj:", div_id);
-        } else if (typeof content === "object") {
-            this.data_obj[div_id].element = parseHtml(content.outerHTML)[0];
+        } else if (isElement(content)) {
+            this.data_obj[div_id].html = content.outerHTML;
             return true;
-        } else if (typeof content === "string") {
-            this.data_obj[div_id].element = parseHtml(content)[0];
+        } else if (isString(content)) {
+            this.data_obj[div_id].html = content;
             return true;
         } else {
             console.error("Invalid content:", div_id, content);
@@ -379,7 +378,7 @@ class ExtraNetworksClusterize {
         // We remove this row before returning.
         if (this.rowCount() === 0){// || this.content_elem.innerHTML === "") {
             this.clear();
-            this.update([this.data_obj[this.data_obj_keys_sorted[0]].element.outerHTML]);
+            this.update([this.data_obj[this.data_obj_keys_sorted[0]].html]);
             clear_before_return = true;
         }
         
@@ -636,6 +635,8 @@ class ExtraNetworksClusterizeTreeList extends ExtraNetworksClusterize {
     /** Subclass used to display a directories/files in the Tree View. */
     constructor(...args) {
         super(...args);
+
+        this.selected_div_id = null;
     }
 
     getBoxShadow(depth) {
@@ -659,26 +660,30 @@ class ExtraNetworksClusterizeTreeList extends ExtraNetworksClusterize {
         /** Processes JSON object and adds each entry to our data object. */
         return new Promise(resolve => {
             var style = getComputedStyle(document.body);
-            //let spacing_sm = style.getPropertyValue("--spacing-sm");
             let text_size = style.getPropertyValue("--button-large-text-size");
             for (const [k, v] of Object.entries(json)) {
                 let div_id = k;
-                let parsed_html = parseHtml(v)[0];
+                let parsed_html = parseHtml(v);
                 // parent_id = -1 if item is at root level
                 let parent_id = "parentId" in parsed_html.dataset ? parsed_html.dataset.parentId : -1;
                 let expanded = "expanded" in parsed_html.dataset;
+                let selected = "selected" in parsed_html.dataset;
                 let depth = Number(parsed_html.dataset.depth);
                 parsed_html.style.paddingLeft = `calc(${depth} * ${text_size})`;
                 parsed_html.style.boxShadow = this.getBoxShadow(depth);
 
                 // Add the updated html to the data object.
                 this.data_obj[div_id] = {
-                    element: parsed_html,
+                    html: parsed_html.outerHTML,
                     active: parent_id === -1, // always show root
                     expanded: expanded || (parent_id === -1), // always expand root
+                    selected: selected,
                     parent: parent_id,
                     children: [], // populated later
                 };
+
+                // maybe not necessary.
+                parsed_html = null;
             }
 
             // Build list of children for each element in dataset.
@@ -715,15 +720,20 @@ class ExtraNetworksClusterizeTreeList extends ExtraNetworksClusterize {
         */
         for (const child_id of this.data_obj[div_id].children) {
             this.data_obj[child_id].active = false;
-            this.data_obj[child_id].expanded = false;
-            delete this.data_obj[child_id].element.dataset.expanded;
+            if (this.data_obj[child_id].selected) {
+                // deselect the child only if it is selected.
+                let elem = parseHtml(this.data_obj[child_id].html);
+                delete elem.dataset.selected;
+                this.data_obj[child_id].selected = false;
+                this.updateDivContent(child_id, elem);
+            }
             this.removeChildRows(child_id);
         }
     }
 
     addChildRows(div_id) {
-        /** Adds rows to the list that are children of the passed div. 
-         * The rows aren't removed from the data object, just set to active=true
+        /** Adds rows to the list that are children of the passed div.
+         * The rows aren't added to the data object, just set to active=true
          * so they are displayed.
         */
         for (const child_id of this.data_obj[div_id].children) {
@@ -734,6 +744,56 @@ class ExtraNetworksClusterizeTreeList extends ExtraNetworksClusterize {
         }
     }
 
+    onRowExpandClick(div_id, elem) {
+        /** Toggles expand/collapse of a row's children. */
+        if ("expanded" in elem.dataset) {
+            this.data_obj[div_id].expanded = false;
+            delete elem.dataset.expanded;
+            this.removeChildRows(div_id)
+        } else {
+            this.data_obj[div_id].expanded = true;
+            elem.dataset.expanded = "";
+            this.addChildRows(div_id)
+        }
+        this.updateDivContent(div_id, elem);
+        this.updateRows();
+    }
+
+    onRowSelected(div_id, elem) {
+        /** Selects a row and deselects all others. */
+        if (!isElementLogError(elem)) {
+            return;
+        }
+        if (!(div_id in this.data_obj)) {
+            console.error("div_id not in dataset:", div_id);
+            return;
+        }
+
+        if (!isNullOrUndefined(this.selected_div_id) && div_id !== this.selected_div_id) {
+            let prev_elem = parseHtml(this.data_obj[this.selected_div_id].html);
+            delete prev_elem.dataset.selected;
+            this.updateDivContent(this.selected_div_id, prev_elem);
+            this.data_obj[this.selected_div_id].selected = false;
+
+            this.selected_div_id = div_id;
+            elem.dataset.selected = "";
+            this.data_obj[div_id].selected = true;
+            this.updateDivContent(this.selected_div_id, elem);
+        } else {
+            if ("selected" in elem.dataset) {
+                delete elem.dataset.selected;
+                this.data_obj[div_id].selected = false;
+                this.selected_div_id = null;
+            } else {
+                elem.dataset.selected = "";
+                this.data_obj[div_id].selected = true;
+                this.selected_div_id = div_id;
+            }
+            this.updateDivContent(div_id, elem);
+        }
+        this.updateRows();
+    }
+
     getMaxRowWidth() {
         /** Calculates the width of the widest row in the list. */
         if (!this.enabled) {
@@ -785,14 +845,33 @@ class ExtraNetworksClusterizeCardsList extends ExtraNetworksClusterize {
     updateJson(json) {
         /** Processes JSON object and adds each entry to our data object. */
         return new Promise(resolve => {
-            for (const [k, v] of Object.entries(json)) {
+            for (const [i, [k, v]] of Object.entries(Object.entries(json))) {
                 let div_id = k;
-                let parsed_html = parseHtml(v)[0];
+                let parsed_html = parseHtml(v);
+                let search_only = isElement(parsed_html.querySelector(".search_only"));
+                let search_terms_elem = parsed_html.querySelector(".search_terms");
+                let search_terms = "";
+                if (isElement(search_terms_elem)) {
+                    search_terms = Array.prototype.map.call(
+                        parsed_html.querySelectorAll(".search_terms"),
+                        (elem) => { return elem.textContent.toLowerCase(); }
+                    ).join(" ");
+                }
+
                 // Add the updated html to the data object.
                 this.data_obj[div_id] = {
-                    element: parsed_html,
                     active: true,
+                    html: v,
+                    sort_name: parsed_html.dataset.sortName,
+                    sort_path: parsed_html.dataset.sortPath,
+                    sort_created: parsed_html.dataset.sortCreated,
+                    sort_modified: parsed_html.dataset.sortModified,
+                    search_only: search_only,
+                    search_terms: search_terms,
                 };
+
+                // maybe not necessary
+                parsed_html = null;
             }
             return resolve();
         });
@@ -815,8 +894,8 @@ class ExtraNetworksClusterizeCardsList extends ExtraNetworksClusterize {
     sortByName() {
         this.data_obj_keys_sorted = Object.keys(this.data_obj).sort((a, b) => {
             return STR_COLLATOR.compare(
-                this.data_obj[a].element.dataset.sortName,
-                this.data_obj[b].element.dataset.sortName,
+                this.data_obj[a].sort_name,
+                this.data_obj[b].sort_name,
             );
         });
     }
@@ -824,8 +903,8 @@ class ExtraNetworksClusterizeCardsList extends ExtraNetworksClusterize {
     sortByPath() {
         this.data_obj_keys_sorted = Object.keys(this.data_obj).sort((a, b) => {
             return STR_COLLATOR.compare(
-                this.data_obj[a].element.dataset.sortPath,
-                this.data_obj[b].element.dataset.sortPath,
+                this.data_obj[a].sort_path,
+                this.data_obj[b].sort_path,
             );
         });
     }
@@ -833,8 +912,8 @@ class ExtraNetworksClusterizeCardsList extends ExtraNetworksClusterize {
     sortByCreated() {
         this.data_obj_keys_sorted = Object.keys(this.data_obj).sort((a, b) => {
             return INT_COLLATOR.compare(
-                this.data_obj[a].element.dataset.sortCreated,
-                this.data_obj[b].element.dataset.sortCreated,
+                this.data_obj[a].sort_created,
+                this.data_obj[b].sort_created,
             );
         });
     }
@@ -842,8 +921,8 @@ class ExtraNetworksClusterizeCardsList extends ExtraNetworksClusterize {
     sortByModified() {
         this.data_obj_keys_sorted = Object.keys(this.data_obj).sort((a, b) => {
             return INT_COLLATOR.compare(
-                this.data_obj[a].element.dataset.sortModified,
-                this.data_obj[b].element.dataset.sortModified,
+                this.data_obj[a].sort_modified,
+                this.data_obj[b].sort_modified,
             );
         });
     }
@@ -888,13 +967,8 @@ class ExtraNetworksClusterizeCardsList extends ExtraNetworksClusterize {
         }
 
         for (const [k, v] of Object.entries(this.data_obj)) {
-            let search_only = v.element.querySelector(".search_only");
-            let text = Array.prototype.map.call(v.element.querySelectorAll(".search_terms"), function (t) {
-                return t.textContent.toLowerCase();
-            }).join(" ");
-
-            let visible = text.indexOf(this.filter_str) != -1;
-            if (search_only && this.filter_str.length < 4) {
+            let visible = v.search_terms.indexOf(this.filter_str) != -1;
+            if (v.search_only && this.filter_str.length < 4) {
                 visible = false;
             }
             this.data_obj[k].active = visible;