From e54a07f99fc21657c373428e77f74c76f9c8fdd5 Mon Sep 17 00:00:00 2001
From: Jason Chen <jhchen7@gmail.com>
Date: Sat, 27 May 2017 23:59:14 -0700
Subject: [PATCH] fix #1445

Firefox has object method named watch. Would affect other attribute
names that happen to be the same as native object methods.
---
 modules/clipboard.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/modules/clipboard.js b/modules/clipboard.js
index dbd0b8b0c5..35dc2dc5c6 100644
--- a/modules/clipboard.js
+++ b/modules/clipboard.js
@@ -216,11 +216,12 @@ function matchAttributor(node, delta) {
       formats[attr.attrName] = attr.value(node);
       if (formats[attr.attrName]) return;
     }
-    if (ATTRIBUTE_ATTRIBUTORS[name] != null) {
-      attr = ATTRIBUTE_ATTRIBUTORS[name];
+    attr = ATTRIBUTE_ATTRIBUTORS[name];
+    if (attr != null && attr.attrName === name) {
       formats[attr.attrName] = attr.value(node) || undefined;
     }
-    if (STYLE_ATTRIBUTORS[name] != null) {
+    attr = STYLE_ATTRIBUTORS[name]
+    if (attr != null && attr.attrName === name) {
       attr = STYLE_ATTRIBUTORS[name];
       formats[attr.attrName] = attr.value(node) || undefined;
     }