javascript 使 iframe 高度适合内容
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make iframe height fit content
提问by Anonymous
How would I make an iframe's height adjust to the content within it? I assume you'd calculate the difference between the content height and iframe height (something I don't know how to do) and use that with a while loop to increment a variable to use as a height, but I can't wrap my head around how to actually do these things. Before asking: yes, the content in the frame is from my site. Not cross-domain.
我如何使 iframe 的高度适应其中的内容?我假设您会计算内容高度和 iframe 高度之间的差异(我不知道该怎么做)并将其与 while 循环一起使用来增加用作高度的变量,但我无法包装我的围绕如何实际做这些事情。在询问之前:是的,框架中的内容来自我的网站。不是跨域。
采纳答案by Valera
Not quite sure why you want to use an iframe and not a dynamic div filled, say, via ajax, but:
不太确定为什么要使用 iframe 而不是动态 div 填充,例如,通过 ajax,但是:
Put the content within the iframe into a div, then get the height of the div. I'd suggest using jquery like so:
将 iframe 内的内容放入一个 div 中,然后获取 div 的高度。我建议像这样使用 jquery:
$("#divId").height();
But if you can't use jquery, you should be able to use this:
但是如果你不能使用 jquery,你应该可以使用这个:
document.getElementById("divId").offsetHeight;
Then you'd need to set the iframe's height to whatever you got.
然后你需要将 iframe 的高度设置为你得到的任何值。
jquery:
查询:
$("#iframeId").height($("#divId").height());
regular js:
常规js:
document.getElementById("iframeId").style.height =
document.getElementById("divId").offsetHeight;
回答by Itay Moav -Malimovka
<iframe id="moo" src="something.html"><iframe>
<script>
function onContentChange(){
var NewSize=$('moo').getScrollSize();
$('moo').setStyles({
width: NewSize.x,
height: NewSize.y
});
}
</script>
and inside the somthing.html, on the bottom or onload event do something on the lines of
在 somthing.html 中,在底部或 onload 事件上做一些事情
window.parent.window.onContentChange()
回答by Luis
Render dynamically the iframe in javascript once the container element("td1") has been drawn.
一旦绘制了容器元素(“td1”),就在 javascript 中动态呈现 iframe。
<script type="text/javascript">
var iframesrc = "@Href("~/about")";
function init() {
var vHeight = document.getElementById("td1").offsetHeight;
document.getElementById("td1").innerHTML="<iframe style=\"width:100%; height:" + vHeight + "px\" src=\"" + iframesrc + "\"></iframe>";
}
window.onload = init;
</script>
...
...
<td id="td1" style="width: 100%; height:100%;">
</td>
回答by Erik Bergstedt
Here's a solution using jQuery:
这是使用jQuery的解决方案:
$('#iframe').height($('#iframe').contents().find('body').height());

