diff --git a/libresilient.js b/libresilient.js
index cbe811c..9f64d99 100644
--- a/libresilient.js
+++ b/libresilient.js
@@ -250,7 +250,7 @@ libresilient.updateFetchedResources = () => {
     Object.keys(libresilient.info).forEach((url)=>{
         
         // simplify
-        si = libresilient.info[url]
+        var si = libresilient.info[url]
         
         // if there are no status display elements for this URL...
         if (typeof libresilient.resourceDisplays[url] === 'undefined') {
@@ -391,7 +391,7 @@ libresilient.toggleResourceCheckboxes = () => {
  */
 libresilient.stashOrUnstashResources = (stash=true) => {
     // what are we doing?
-    operation = {
+    var operation = {
         clientId: libresilient.clientId
     }
     // get the resources
@@ -451,15 +451,15 @@ libresilient.displayMessage = (msg) => {
     messageBox.innerHTML = `<div class="libresilient-message">${msg}</div>`
     // attach it to all libresilient-message-containers out there
     for (let smc of document.getElementsByClassName('libresilient-message-container')) {
-        var msg = messageBox.content.firstChild.cloneNode(true)
-        msg.onclick = (e) => {
+        var msg_clone = messageBox.content.firstChild.cloneNode(true)
+        msg_clone.onclick = (e) => {
             e.target.style.opacity=0
             setTimeout(()=>{e.target.remove()}, 1000)
         }
-        smc.insertAdjacentElement('beforeend', msg)
+        smc.insertAdjacentElement('beforeend', msg_clone)
         setTimeout(()=>{
-            msg.style.opacity=0
-            setTimeout(()=>{msg.remove()}, 1000)
+            msg_clone.style.opacity=0
+            setTimeout(()=>{msg_clone.remove()}, 1000)
         }, 5000)
     }
     self.log('browser-side', '    +-- message shown!')
@@ -484,7 +484,9 @@ window.addEventListener('load', function() {
             libresilient_sw.className += " active";
             try {
                 libresilient_sw.querySelector('.status').innerHTML = "yes";
-            } catch(e) {}
+            } catch(e) {
+                // nothing to do here, move along
+            }
         }
     }
     // was any content unavailable so far?
@@ -611,7 +613,7 @@ if ('serviceWorker' in navigator) {
         }
         if (event.data.serviceWorker) {
             self.log('browser-side', '+-- got the serviceWorker version:', event.data.serviceWorker)
-            libresilient_sws = document.getElementsByClassName("libresilient-commit-service-worker");
+            var libresilient_sws = document.getElementsByClassName("libresilient-commit-service-worker");
             for (let element of libresilient_sws) {
                 element.innerHTML = event.data.serviceWorker;
             }