first commit

media/com_actionlogs/joomla.asset.json

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+{
+  "$schema": "https://developer.joomla.org/schemas/json-schema/web_assets.json",
+  "name": "com_actionlogs",
+  "version": "4.0.0",
+  "description": "Joomla CMS",
+  "license": "GPL-2.0-or-later",
+  "assets": [
+    {
+      "name": "com_actionlogs.admin-actionlogs",
+      "type": "script",
+      "uri": "com_actionlogs/admin-actionlogs-default.min.js",
+      "dependencies": [
+        "core"
+      ],
+      "attributes": {
+        "type": "module"
+      },
+      "version": "810ef7"
+    }
+  ]
+}

media/com_actionlogs/js/admin-actionlogs-default.js

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+/**
+ * @copyright   (C) 2019 Open Source Matters, Inc. <https://www.joomla.org>
+ * @license     GNU General Public License version 2 or later; see LICENSE.txt
+ */
+Joomla.submitbutton = task => {
+
+  if (task === 'actionlogs.exportLogs') {
+    Joomla.submitform(task, document.getElementById('exportForm'));
+    return;
+  }
+  if (task === 'actionlogs.exportSelectedLogs') {
+    // Get id of selected action logs item and pass it to export form hidden input
+    const cids = [];
+    const elements = [].slice.call(document.querySelectorAll("input[name='cid[]']:checked"));
+    if (elements.length) {
+      elements.forEach(element => {
+        cids.push(element.value);
+      });
+    }
+    document.exportForm.cids.value = cids.join(',');
+    Joomla.submitform(task, document.getElementById('exportForm'));
+    return;
+  }
+  Joomla.submitform(task);
+};

media/com_actionlogs/js/admin-actionlogs-default.min.js

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+Joomla.submitbutton=o=>{if("actionlogs.exportLogs"!==o){if("actionlogs.exportSelectedLogs"===o){const e=[],t=[].slice.call(document.querySelectorAll("input[name='cid[]']:checked"));return t.length&&t.forEach((o=>{e.push(o.value)})),document.exportForm.cids.value=e.join(","),void Joomla.submitform(o,document.getElementById("exportForm"))}Joomla.submitform(o)}else Joomla.submitform(o,document.getElementById("exportForm"))};