1 <!DOCTYPE html> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <script type="text/javascript"> 6 // 鼠标移入提示 7 function warn(){ 8 document.getElementById("warn").style.display="block"; 9 } 10 } 11 // 鼠标移出 12 function out(){ 13 document.getElementById("warn").style.display="none"; 14 } 15 </script> 16 <style> 17 #warn{ 18 width:100px; 19 height:100px; 20 border:solid 1px red; 21 display:none; 22 } 23 </style> 24 </head> 25 <body> 26 <label onMouseOver="warn();" onMouseOut="out();"><input type="checkbox" />自动登录</label> 27 <div id="warn">最好不要在网吧。。。。</div> 28 </body> 29 </html>
