fix: remove some unused variable

ZWkang · ZWkang · commit 627996ff9689 · 2018-12-28T16:50:29.000+08:00
diff --git a/key-combination/index.js b/key-combination/index.js
@@ -203,7 +203,7 @@
 		root.preKeyCombination = root.keyCombination;
 	}
 	// 存储全局变量减少引用查找
-  var doc = document,win = root,_body = document.body,_documentElement = doc.documentElement,option;
+  var win = root;
   
   // 组合键检测。当keydown命中事件集后，我们再对子集做判断执行
 

Original file line number	Diff line number	Diff line change
`@@ -203,7 +203,7 @@`
`203`	`203`	`root.preKeyCombination = root.keyCombination;`
`204`	`204`	`}`
`205`	`205`	`// 存储全局变量减少引用查找`
`206`		`- var doc = document,win = root,_body = document.body,_documentElement = doc.documentElement,option;`
	`206`	`+ var win = root;`
`207`	`207`
`208`	`208`	`// 组合键检测。当keydown命中事件集后，我们再对子集做判断执行`
`209`	`209`