鼠标悬停事件-----提示信息 

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8" />
        <title>test</title>
        <script>
            function test(){
                var t = document.getElementById("test")
                t.setAttribute("title","this is message")
            }
        </script>
    </head>
    <body>
        <div>
            <input type="button" name="" value="拨打" id="test"  onmouseover="test();"/>
             
        </div>
    </body>
</html>

 

posted @ 2018-03-06 10:11  晒晒  阅读(115)  评论(0)    收藏  举报