doc: Fixed filter case error in README.md (#342)

* doc: input filter example * doc: input filter example
jaywcjlove · Feb 16, 2022 · 7a3c36d · 7a3c36d
1 parent da1bf76
commit 7a3c36d
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diff --git a/README-zh.md b/README-zh.md
@@ -328,8 +328,9 @@ hotkeys.filter = function(event){
 // 如何增加过滤可编辑标签 <div contentEditable="true"></div>
 // contentEditable老浏览器不支持滴
 hotkeys.filter = function(event) {
-  var tagName = (event.target || event.srcElement).tagName;
-  return !(tagName.isContentEditable ||
+  var target = event.target || event.srcElement;
+  var tagName = target.tagName;
+  return !(target.isContentEditable ||
   tagName == 'INPUT' ||
   tagName == 'SELECT' ||
   tagName == 'TEXTAREA');

diff --git a/README.md b/README.md
@@ -321,8 +321,9 @@ hotkeys.filter = function(event){
 //How to add the filter to edit labels. <div contentEditable="true"></div>
 //"contentEditable" Older browsers that do not support drops
 hotkeys.filter = function(event) {
-  var tagName = (event.target || event.srcElement).tagName;
-  return !(tagName.isContentEditable || tagName == 'INPUT' || tagName == 'SELECT' || tagName == 'TEXTAREA');
+  var target = event.target || event.srcElement;
+  var tagName = target.tagName;
+  return !(target.isContentEditable || tagName == 'INPUT' || tagName == 'SELECT' || tagName == 'TEXTAREA');
 }
 
 hotkeys.filter = function(event){