Explain Legacy IE incompatability

SamMorrowDrums · SamMorrowDrums · commit 5f3bc277acfe · 2015-01-14T12:00:25.000Z
diff --git a/doc/en/function/closures.md b/doc/en/function/closures.md
@@ -105,7 +105,7 @@ the setTimeout function, which passes these arguments to the callback.
         }, 1000, i);
     }
 
-Some legacy JS environments do not support this, however.
+Some legacy JS environments (Internet Explorer 9 & below) do not support this.
 
 There's yet another way to accomplish this by using `.bind`, which can bind
 a `this` context and arguments to function. It behaves identically to the code

Original file line number	Diff line number	Diff line change
`@@ -105,7 +105,7 @@ the setTimeout function, which passes these arguments to the callback.`
`105`	`105`	`}, 1000, i);`
`106`	`106`	`}`
`107`	`107`
`108`		`-Some legacy JS environments do not support this, however.`
	`108`	`+Some legacy JS environments (Internet Explorer 9 & below) do not support this.`
`109`	`109`
`110`	`110`	There's yet another way to accomplish this by using `.bind`, which can bind
`111`	`111`	a `this` context and arguments to function. It behaves identically to the code