var adjustIframe = function (id) {
var iframe = document.getElementById(id)
var idoc = iframe.contentWindow && iframe.contentWindow.document || iframe.contentDocument;
var callback = function () {
var iheight = Math.max(idoc.body.scrollHeight, idoc.documentElement.scrollHeight); //取得其高
iframe.style.height = iheight + "px";
}
if (iframe.attachEvent) {
iframe.attachEvent("onload", callback);
} else {
iframe.onload = callback
}
}
<iframe id="js_sub_web" width="80%" frameborder="0" scrolling="no" allowTransparency="true" src="http://www.qq.com">
</iframe>
window.onload = function(){
adjustIframe("js_sub_web");
}
var iframe = document.getElementById(id)
var idoc = iframe.contentWindow && iframe.contentWindow.document || iframe.contentDocument;
var callback = function () {
var iheight = Math.max(idoc.body.scrollHeight, idoc.documentElement.scrollHeight); //取得其高
iframe.style.height = iheight + "px";
}
if (iframe.attachEvent) {
iframe.attachEvent("onload", callback);
} else {
iframe.onload = callback
}
}
<iframe id="js_sub_web" width="80%" frameborder="0" scrolling="no" allowTransparency="true" src="http://www.qq.com">
</iframe>
window.onload = function(){
adjustIframe("js_sub_web");
}