亚洲国产日韩欧美一区二区三区,精品亚洲国产成人av在线,国产99视频精品免视看7,99国产精品久久久久久久成人热,欧美日韩亚洲国产综合乱

jQuery ?? ??? focus() ? Blur() ???

focus() ???

?? ? ???

??? ???? ??? ???? ?? ? ?????.

??? ???? ??? ????? ? ?? ??? ???? ?? ??? ??? ?????.

focus() ???? ??? ???? ?????? ??? ???? ??? ? ??? ??? ?????.

blur() ???


?? ? ???

blur ???? ??? ???? ?? ? ?????.

blur() ??? ?? ???? ??????, ?? ????? ??? ?? ?? ???? ??? ? ??? ??? ???? ??? ?? ????.

?: ???? ?? ???? ?? ????? ??????. ? ??????? ? ???? ?? ???? ??? ? ????.

?? ?? ???????. 

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title></title>
    <script src="http://libs.baidu.com/jquery/1.9.1/jquery.js"></script>
</head>
<body>
    請(qǐng)輸入：<input type="text">

    <script>
        $('input').focus(function(){
            $('input').css('background',"red");
        })

        $('input').blur(function(){
            $('input').css('background',"green");
        })
    </script>
</body>
</html>

??? ??? ???? ??? ??? ???? ?? ???? ????? ????.

??? ?? ??? ???? ??? ??? ???? ?? ???? ????

???? ??
||
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> <script src="http://libs.baidu.com/jquery/1.9.1/jquery.js"></script> </head> <body> 請(qǐng)輸入：<input type="text"> <script> $('input').focus(function(){ $('input').css('background',"red"); }) $('input').blur(function(){ $('input').css('background',"green"); }) </script> </body> </html>