Update app.js

lnbits/static/app.js

@@ -416,3 +416,52 @@ if (transactions.length) {
 if (wallet) {
   postAjax('/v1/checkpending', '', wallet.adminkey, function(data) {})
 }
+
+
+function download_csv(csv, filename) {
+    var csvFile;
+    var downloadLink;
+
+    // CSV FILE
+    csvFile = new Blob([csv], {type: "text/csv"});
+
+    // Download link
+    downloadLink = document.createElement("a");
+
+    // File name
+    downloadLink.download = filename;
+
+    // We have to create a link to the file
+    downloadLink.href = window.URL.createObjectURL(csvFile);
+
+    // Make sure that the link is not displayed
+    downloadLink.style.display = "none";
+
+    // Add the link to your DOM
+    document.body.appendChild(downloadLink);
+
+    // Lanzamos
+    downloadLink.click();
+}
+
+function export_table_to_csv(html, filename) {
+  var csv = [];
+  var rows = document.querySelectorAll("table tr");
+  
+    for (var i = 0; i < rows.length; i++) {
+    var row = [], cols = rows[i].querySelectorAll("td, th");
+    
+        for (var j = 0; j < cols.length; j++) 
+            row.push(cols[j].innerText);
+        
+    csv.push(row.join(","));    
+  }
+
+    // Download CSV
+    download_csv(csv.join("\n"), filename);
+}
+
+function exportbut(){
+    var html = document.querySelector("table").outerHTML;
+  export_table_to_csv(html, "table.csv");
+}