Update 2014-01-19-the-usage-of-this-in-javascript.md

zombiezlk · Jul 22, 2016 · 05708a5 · 05708a5
1 parent 3477adc
commit 05708a5
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/_posts/2014-01-19-the-usage-of-this-in-javascript.md b/_posts/2014-01-19-the-usage-of-this-in-javascript.md
@@ -45,11 +45,11 @@ category: tech
 		this.myName = "Foo function.";
 	}
 	foo.prototype.sayHello = function(){
-        	self = this;   //将bar中的this的值存在变量self中，这样self所指向的对象就跟bar中的this一样了。
 		alert(this.myName);
 	}
 	foo.prototype.bar = function(){
+		self = this;   //将bar中的this的值存在变量self中，这样self所指向的对象就跟bar中的this一样了。
 		setTimeout(self.sayHello, 1000);
 	}
 	var f = new foo;
-	f.bar();
+	f.bar();