实例
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title></title> <script src="https://code.jquery.com/jquery-3.1.1.min.js"></script> </head> <style type="text/css"> .content{width: 80%; height: 350px; margin: 0 auto; } </style> <body> <div class="content"> <div class="timespan"> </div> </div> </body> <script type="text/javascript"> var starttime= new Date("2019/02/04"); setInterval(function(){ var nowtime=new Date(); var time= starttime-nowtime ; var day = parseInt(time / 1000 / 60 / 60 / 24); var hour = parseInt(time / 1000 / 60 / 60 % 24); var minute = parseInt(time / 1000 / 60 % 60); var seconds = parseInt(time / 1000 % 60); $('.timespan').html("距离过年"+day+"天"+hour+"小时"+minute+"分钟"+seconds+"秒") }) $(function(){ $('.content').css('background','pink') $('.timespan').css({"color":"#fff","padding-top":"100px","text-align":"center","font-size":"50px"}) }) </script> </html>
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实例
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>知识点</title> <script src="https://code.jquery.com/jquery-3.1.1.min.js"></script> </head> <body> <div id="zfx"> </div> <button type="button" id="but">隐藏</button> <button type="button" class="but">显示</button> <button type="button" class="jx">点我有惊喜</button> <br> <br> <input type="text" value="" /> </body> <script type="text/javascript"> $(function (){ $('#zfx').css({"width":"300px","height":"300px","background":"pink"}) $('#but').click(function(){ $('#zfx').css('display','none') }) $('.but').click(function(){ $('#zfx').show(1000) }) $("button.jx").click(function(){ $('#zfx').text("惊不惊喜,意不意外") }) }) $(function(){ $("input").focus(function(){ $("input").css("background-color","#FFFFCC"); }); $("input").blur(function(){ $("input").css("background-color","#D6D6FF"); }); $("#zfx").mouseover(function(){ $("#zfx").text("浮动显示文字") }); $("#zfx").mouseout(function(){ $("#zfx").text("") }) }) </script> </html>
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