contentDocument:
!DOCTYPE， IE8+支持 contentDocument 属性，其他IE版本请使用 contentWindow 属性。
ownerDocument : Node对象的属性。返回元素根节点文档对象(document 对象)
body
documentElement : document对象的属性，返回的是文档根节点。
scrollHeight
<body>
<iframe
src="./1.html"
width="100%"
height="100%"
frameborder="0"
onload="iFrameHeight(this,40)"
></iframe>
</body>
<script type="text/javascript" language="javascript">
function iFrameHeight(objIFrame, intMinHeight) {
try {
if (document.compatMode === "CSS1Compat") {
console.log(document.compatMode);
} else {
console.log(document.compatMode);
}
if (intMinHeight == null) intMinHeight = 30;
// if (!!window.ActiveXObject || "ActiveXObject" in window) {
if (objIFrame.contentDocument) {
// IE8+支持contentDocument
var bHeight = objIFrame.contentDocument.body.scrollHeight;
var dHeight = objIFrame.contentDocument.documentElement.scrollHeight;
} else {
// chrome,IE6+支持ownerDocument
var bHeight = objIFrame.ownerDocument.body.scrollHeight;
var dHeight = objIFrame.ownerDocument.documentElement.scrollHeight;
}
var height = Math.max(bHeight, dHeight);
objIFrame.height = height + intMinHeight;
console.log("body", "------", bHeight);
console.log("documentElement", "------", dHeight);
} catch (e) {
window.status = "error" + e.number + e.discription;
}
}
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