Go Back With Backspace extension

go-back-with-backspace/content_script.js

Index: go-back-with-backspace/content_script.js
diff --git a/go-back-with-backspace/content_script.js b/go-back-with-backspace/content_script.js
new file mode 100755
index 0000000000000000000000000000000000000000..cf3a2991ed644ed2418b24028d3b15d046c37470
--- /dev/null
+++ b/go-back-with-backspace/content_script.js
@@ -0,0 +1,8 @@
+// Listen for the backspace key and go back if not in an editable field.
+document.addEventListener('keydown', function(e) {
+  if (e.which === 8 &&  // backspace key code
+      !isEditable(e.path)) {
+    window.history.back();
+    e.preventDefault();
+  }
+});