docs(bom): fix webworker

ruanyf · ruanyf · commit d0bcc7f5302f · 2019-01-19T18:35:34.000+08:00
diff --git a/docs/bom/webworker.md b/docs/bom/webworker.md
@@ -144,7 +144,7 @@ importScripts('script1.js', 'script2.js');
 ```javascript
 worker.onerror(function (event) {
   console.log([
-    'ERROR: Line ', e.lineno, ' in ', e.filename, ': ', e.message
+    'ERROR: Line ', event.lineno, ' in ', event.filename, ': ', event.message
   ].join(''));
 });
 
