butchi · August 29, 2015 14:22
diff --git a/sample1.html b/sample1.html
 <!DOCTYPE html>
 <html lang="ja">
 <head></head>
 <body>
  <div class="elm-1" lang="en">
    <p>Thanks, world!</p>    
  </div>
  <div class="elm-2" lang="ja">
    <p>ありがとう世界！</p>    
  </div>
 </body>
 </html>
diff --git a/style-2.scss b/style-2.scss
  p {
    color: black;

    [lang=en] & {
      color: red;
    }
  }
diff --git a/style.scss b/style.scss
  p {
    color: black;

    &:lang(ja) {
      color: red;
    }
  }
	<!DOCTYPE html>
	<html lang="ja">
	<head></head>
	<body>
	<div class="elm-1" lang="en">
	<p>Thanks, world!</p>
	</div>
	<div class="elm-2" lang="ja">
	<p>ありがとう世界！</p>
	</div>
	</body>
	</html>