Web Front-endHTML TutorialHow to use iframe in html? Introduction to the use of iframe tags in htmlHow to use iframe in html? Introduction to the use of iframe tags in html
For friends who develop websites, the iframe tag must be familiar. The iframe element will create an inline frame (ie, inline frame) that contains another document. We can load other people's websites or this website on our own website pages. The content of other pages on the site, so this next article will introduce to you the use of iframe in html.
First of all, for the iframe tag, we already know that the iframe element will create an inline frame (that is, an inline frame) that contains another document. Then, let’s look directly at the iframe tag in html Detailed use of .
Let’s take a look at the attributes of the iframe tag:
1. align: left, right, top, middle, bottom. Specifies how this frame should be aligned relative to surrounding elements. Deprecated. Please use style code.
2. frameborder: 1, 0. Used to specify whether to display a border around the frame.
3. Height: pixels, %. Used to specify the height of the iframe.
4. longdesc: URL. Specifies a page that contains a longer description of the iframe.
5. marginheight: pixels. Define the top and bottom margins of the iframe.
6. marginwidth: pixels. Define the left and right margins of the iframe.
7. name: frame_name. Specifies the name of the iframe.
Note: If you want to open the link in an iframe when clicking a link on the page, you only need to change the name attribute in the iframe and the target attribute in the a tag (the target attribute of the tag specifies where to open the linked document) Just set it to the same value, for example:
<iframename="my"></iframe> <ahref="http://www.php.cn" target="my"></a>
8, scrolling: yes, no, auto. Specifies whether to display scroll bars in iframe.
9. src: URL. Specifies the URL of the document to be displayed in the iframe.
10. width: pixels. %. Define the width of the iframe.
After reading the relevant knowledge about iframe tag attributes, let’s take a look at the use of iframe tags in html
Usually we use iframe to directly nest iframe tags on the page The specified src is enough
The example is as follows:
<!--
<iframe> 标签规定一个内联框架
这里写p 标签是为了看align的效果
-->
<p style="overflow: hidden;">这是一些文本。 这是一些文本。 这是一些文本。这是一些文本。 这是一些文本。 这是一些文本。
<iframe name="myiframe" id="myrame" src="external_file.html" frameborder="0" align="left" width="200" height="200" scrolling="no">
<p>你的浏览器不支持iframe标签</p>
</iframe>
这是一些文本。 这是一些文本。 这是一些文本。这是一些文本。 这是一些文本。 这是一些文本。</p>The src attribute of the iframe in the above code is a local html page
The code is as follows:
<body>
<div id="div" style="height: 300px; background: #ddd;">这是一个外部文件里面的内容</div>
</body>
<script>
var div = document.getElementById("div");
console.log(div);
</script>
Note: Any interactive parts are also written into this page, and the iframe will be automatically transferred to the imported page.
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