JavaScript

var browserVersion =window.navigator.userAgent.toUpperCase();var isOpera = browserVersion.indexOf("OPERA") > -1 ? true : false;var isFireFox = browserVersion.indexOf("FIREFOX") > -1 ? true : false;var isChrome = browserVersion.indexOf("CHROME") > -1 ? true : false;var isSafari = browserVersion.indexOf("SAFARI") > -1 ? true : false;var isIE = (!!window.ActiveXObject || "ActiveXObject" inwindow);var isIE9More = (! -[1, ] == false);functionreinitIframe(iframeId, minHeight) {try{var iframe =document.getElementById(iframeId);var bHeight = 0;if (isChrome == false && isSafari == false)bHeight=iframe.contentWindow.document.body.scrollHeight;var dHeight = 0;if (isFireFox == true)dHeight= iframe.contentWindow.document.documentElement.offsetHeight + 2;else if (isIE == false && isOpera == false)dHeight=iframe.contentWindow.document.documentElement.scrollHeight;else if (isIE == true && isIE9More) {//ie9+var heightDeviation = bHeight - eval("window.IE9MoreRealHeight" +iframeId);if (heightDeviation == 0) {bHeight+= 3;}else if (heightDeviation != 3) {eval("window.IE9MoreRealHeight" + iframeId + "=" +bHeight);bHeight+= 3;}}else//ie[6-8]、OPERAbHeight += 3;var height =Math.max(bHeight, dHeight);if (height < minHeight) height =minHeight;iframe.style.height= height + "px";}catch(ex) { }
}functionstartInit(iframeId, minHeight) {eval("window.IE9MoreRealHeight" + iframeId + "=0");window.setInterval("reinitIframe('" + iframeId + "'," + minHeight + ")", 100);
}var minHeight =$(window).height();
startInit('contents', minHeight);

有个问题待解决：去除了左右padding的值