效果圖:

話不多說,請看代碼:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title> jquery 提示語淡入</title><meta http-equiv="Content-Type" content="text/html;charset=UTF-8" /><link rel="stylesheet" type="text/css" href="" /><style type="text/css">.tishi-com{display:none;width:65px;height:20px;line-height:20px; background:#fff9c9; border:1px solid #c7bf93; color:#666;position:relative;left:230px;top:-22px;}</style><script type="text/javascript" src="jquery-3.0.0.js"></script></head><body> <div style="width:500px;height:200px;border:1px solid #E5E5E5;margin:0 auto;"> <div style="height:50px;width:100%;"> <label class="user-label">用戶名:</label> <input type="text" class="username" name="username"/> <div class="tishi-com"> <span class="tishi-font font-12"></span> </div> </div> <div style="height:50px;width:100%;"> <label class="user-label">手機號:</label> <input type="text" class="phone" name="phone"/> <div class="tishi-com"> <span class="tishi-font font-12"></span> </div> </div> <div> <input type="submit" class="fade" value="提交" /> </div> </div><script type="text/javascript"> $(document).ready(function(){ $(".fade").click(function(){ var name=$.trim($(".username").val()); var phone=$.trim($(".phone").val()); if(name==""){ $('input[name=username]').siblings('.tishi-com').fadeIn(); $('input[name=username]').siblings('.tishi-com').find('.tishi-font').text('不能為空'); } if(phone==""){ $('input[name=phone]').siblings('.tishi-com').fadeIn(); $('input[name=phone]').siblings('.tishi-com').find('.tishi-font').text('不能為空'); } }); });</script></body></html>以上就是本文的全部內容,希望本文的內容對大家的學習或者工作能帶來一定的幫助,同時也希望多多支持武林網!
新聞熱點
疑難解答