From 3a5c413cab6024d48b86a5a9d370b04caf22c2d2 Mon Sep 17 00:00:00 2001
From: gorhill <rhill@raymondhill.net>
Date: Mon, 14 Jul 2014 02:14:13 -0400
Subject: [PATCH] make lighter cosmetic filters: use tagname only when no id,
 class

---
 js/element-picker.js | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/js/element-picker.js b/js/element-picker.js
index 6b04878b9..251c15db5 100644
--- a/js/element-picker.js
+++ b/js/element-picker.js
@@ -258,7 +258,7 @@ var pickerRootDistance = function(elem) {
 /******************************************************************************/
 
 var highlightElements = function(elems, force) {
-    // To make mouse mouce handler more efficient
+    // To make mouse move handler more efficient
     if ( !force && elems.length === targetElements.length ) {
         if ( elems.length === 0 || elems[0] === targetElements[0] ) {
             return;
@@ -347,7 +347,7 @@ var cosmeticFilterFromElement = function(elem) {
         return;
     }
     var tagName = elem.tagName.toLowerCase();
-    var prefix = '##' + tagName;
+    var prefix = '';
     var suffix = [];
     var v;
 
@@ -368,6 +368,10 @@ var cosmeticFilterFromElement = function(elem) {
         suffix.push('.', v.join('.'));
     }
 
+    if ( suffix.length === 0 ) {
+        prefix = tagName;
+    }
+
     // Attributes (depends on tag name)
     var attributes = [], attr;
     switch ( tagName ) {
@@ -401,7 +405,7 @@ var cosmeticFilterFromElement = function(elem) {
         }
     }
 
-    return prefix + suffix.join('');
+    return '##' + prefix + suffix.join('');
 };
 
 /******************************************************************************/