直接設置樣式爲: outline:nonejavascript
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> </head> <body> <button onblur="asd()" style="outline: none;">ckick</button> <script src="http://libs.baidu.com/jquery/2.1.1/jquery.min.js"></script> <script type="text/javascript"> function asd() { alert("沒有邊框"); } </script> </body> </html>