测时延
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Insert title here222222222222</title> <script type="text/javascript" src="js/jquery-1.8.0.js"></script> <script type="text/javascript"> $.ping = function(option) { var ping,requestTime,responseTime; var getUrl = function(url) { // 保证url带http:// var strReg = "^((https|http)?://){1}" var re = new RegExp(strReg); return re.test(url) ? url : "http://" + url; } $.ajax({ url : getUrl(option.url) + '/' + (new Date()).getTime() + '.html', // 设置一个空的ajax请求 type : 'GET', dataType : 'html', timeout : 10000, beforeSend : function() { if (option.beforePing) option.beforePing(); requestTime = new Date().getTime(); }, complete : function() { responseTime = new Date().getTime(); ping = Math.abs(requestTime - responseTime); if (option.afterPing) option.afterPing(ping); } }); if (option.interval && option.interval > 0) { var interval = option.interval * 1000; setTimeout(function() { $.ping(option) },interval); // option.interval = 0; // 阻止多重循环 // setInterval(function(){$.ping(option)},interval); } }; </script> <script type="text/javascript"> function t() { $.ping({ url : 'http://www.9188.com/', beforePing : function() { $('#msg0').html('') }, afterPing : function(ping) { $('#msg1').html(ping) }, interval : 5 }); } </script> </head> <body> <a href="javascript:;" onclick="t();">reqServer</a> <br> <div id="msg0"></div> <div id="msg1"></div> </body> </html> (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |