diff --git a/img/methods-hover.svg b/img/methods-hover.svg
new file mode 100644
index 0000000..b0166f9
--- /dev/null
+++ b/img/methods-hover.svg
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   viewBox="0 0 512 512"
+   version="1.1"
+   id="svg65"
+   sodipodi:docname="methods-hover.svg"
+   inkscape:version="1.1.2 (0a00cf5339, 2022-02-04)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <defs
+     id="defs69" />
+  <sodipodi:namedview
+     id="namedview67"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     showgrid="false"
+     inkscape:zoom="1.5561622"
+     inkscape:cx="176.71679"
+     inkscape:cy="359.21704"
+     inkscape:window-width="1920"
+     inkscape:window-height="1008"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg65" />
+  <title
+     id="title56" />
+  <path
+     d="m 441.13,160.52 h -372 a 15,15 0 1 1 0,-30 h 372 a 15,15 0 0 1 0,30 z"
+     id="path58"
+     style="fill:#ffffff;fill-opacity:1" />
+  <path
+     d="m 441.13,279.72 h -372 a 15,15 0 1 1 0,-30 h 372 a 15,15 0 0 1 0,30 z"
+     id="path60"
+     style="fill:#ffffff;fill-opacity:1" />
+  <path
+     d="m 441.13,402.92 h -372 a 15,15 0 1 1 0,-30 h 372 a 15,15 0 0 1 0,30 z"
+     id="path62"
+     style="fill:#ffffff;fill-opacity:1" />
+</svg>
diff --git a/img/methods.svg b/img/methods.svg
new file mode 100644
index 0000000..9a3392d
--- /dev/null
+++ b/img/methods.svg
@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<svg
+   viewBox="0 0 512 512"
+   version="1.1"
+   id="svg65"
+   sodipodi:docname="methods.svg"
+   inkscape:version="1.1.2 (0a00cf5339, 2022-02-04)"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:svg="http://www.w3.org/2000/svg">
+  <defs
+     id="defs69" />
+  <sodipodi:namedview
+     id="namedview67"
+     pagecolor="#ffffff"
+     bordercolor="#666666"
+     borderopacity="1.0"
+     inkscape:pageshadow="2"
+     inkscape:pageopacity="0.0"
+     inkscape:pagecheckerboard="0"
+     showgrid="false"
+     inkscape:zoom="0.77808113"
+     inkscape:cx="132.37694"
+     inkscape:cy="472.95839"
+     inkscape:window-width="1920"
+     inkscape:window-height="1008"
+     inkscape:window-x="0"
+     inkscape:window-y="0"
+     inkscape:window-maximized="1"
+     inkscape:current-layer="svg65" />
+  <title
+     id="title56" />
+  <path
+     d="m 441.13,158.52 h -372 a 15,15 0 1 1 0,-30 h 372 a 15,15 0 0 1 0,30 z"
+     id="path58"
+     style="fill:#cccccc;fill-opacity:1" />
+  <path
+     d="m 441.13,279.72 h -372 a 15,15 0 1 1 0,-30 h 372 a 15,15 0 0 1 0,30 z"
+     id="path60"
+     style="fill:#cccccc;fill-opacity:1" />
+  <path
+     d="m 441.13,402.92 h -372 a 15,15 0 1 1 0,-30 h 372 a 15,15 0 0 1 0,30 z"
+     id="path62"
+     style="fill:#cccccc;fill-opacity:1" />
+</svg>
diff --git a/index.html b/index.html
index 2bf5df8..d304aea 100644
--- a/index.html
+++ b/index.html
@@ -37,6 +37,7 @@
             <a href="javascript:IDE.stopProgram()" class="toolbar-button" id="toolbar-button-stop" title="Stop"></a>
             <a href="javascript:IDE.shareProgram()" class="toolbar-button" id="toolbar-button-share" title="Share / Export"></a>
             <div class="spacer"></div>
+            <a href="javascript:IDE.showMethodDialog()" class="toolbar-button" id="toolbar-button-methods" title="Show Methods"></a>
             <a href="javascript:IDE.showOptionDialog()" class="toolbar-button" id="toolbar-button-settings" title="Settings"></a>
 
             <a href="javascript:IDE.showDialog('about-dialog')" class="toolbar-button" id="toolbar-button-about" title="About QBJS"></a>
diff --git a/service-worker.js b/service-worker.js
index b2f37f3..0957389 100644
--- a/service-worker.js
+++ b/service-worker.js
@@ -14,7 +14,7 @@
 // Names of the two caches used in this version of the service worker.
 // Change to v2, etc. when you update any of the local resources, which will
 // in turn trigger the install event again.
-const PRECACHE = 'precache-v12';
+const PRECACHE = 'precache-v13';
 const RUNTIME = 'runtime';
 const PREFIX = (self.location.origin.indexOf("github.io") == -1) ? "/" : "/qbjs/";
 
@@ -56,6 +56,8 @@ const PRECACHE_URLS = [
   PREFIX + 'img/file.svg',
   PREFIX + 'img/folder.svg',
   PREFIX + 'img/fullscreen.png',
+  PREFIX + 'img/methods-hover.svg',
+  PREFIX + 'img/methods.svg',
   PREFIX + 'img/new-folder-hover.svg',
   PREFIX + 'img/new-folder.svg',
   PREFIX + 'img/open-hover.svg',