jQuery封装的屏幕居中提示信息代码

function showLoad(tipInfo, type, autohide) { var pic = ""; switch (type) { case 0: // loading pic = "./Images/loading.gif"; break; case 1: // ok pic = "./Images/right.png"; break; case 2: // error pic = "./Images/error.png"; break; default: //其他任何值时 pic = "./Images/loading.gif"; break; } var eTip = document.createElement('div'); eTip.setAttribute('id', 'tipDiv'); eTip.style.display = 'none'; eTip.style.width = '300px'; eTip.style.height = '20px'; eTip.style.padding = '5px 15px' eTip.innerHTML = "<img src=https://www.jb51.net/article/\"" + pic + "https://www.jb51.net/article/\" style=https://www.jb51.net/article/\"float:left;\" /> <span style=https://www.jb51.net/article/\"color:#373737; font-size:14px\">" + tipInfo + "</span>"; try { document.body.appendChild(eTip); } catch (e) { } $("#tipDiv").css({ position: "absolute", border: "solid 0px #D1D1D1", left: ($(window).width() - $("#tipDiv").outerWidth()) / 2, top: ($(window).height() - $("#tipDiv").outerHeight()) / 2 + $(document).scrollTop() }); $('#tipDiv').show(); if (autohide == true) { $('#tipDiv').fadeOut(3000); } } function closeLoad() { $('#tipDiv').fadeOut(); }

<!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提示框封装</title> <script src="https://www.jb51.net/JS/jquery-1.8.0.min.js" type="text/javascript"></script> <script type="text/javascript"> $(function () { $("#name").blur(function () { if ($(this).val() == "") { tip(this, "×请输入"); } else { tip(this,"√输入正确"); } }) }); function tip(o,tip) { var eTip = document.createElement("span"); var objid = $(o).attr("id") + "_tipDiv"; var value = $(o).val(); //绝对路径 var x = $(o).offset().top; var y = $(o).offset().left; var w = $(o).width(); var h = $(o).height(); eTip.setAttribute("id", objid); try { document.body.appendChild(eTip); } catch (e) { } $("#" + objid).hide(); $("#" + objid).css({ top: x, left: y + w + 10, height: h, position: "absolute", padding: "5px" }); $("#" + objid).html(tip); $("#" + objid).show(); } </script> </head> <body> <br/><br/><br/><br/><br/> <input type="text" /><br/><br/><br/><br/> <input type="text" /> </body> </html>

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