Remove border from IFrame

2020-01-25 12:22发布

How would I remove the border from an iframe embedded in my web app? An example of the iframe is:

<iframe src="myURL" width="300" height="300">Browser not compatible.</iframe>

I would like the transition from the content on my page to the contents of the iframe to be seamless, assuming the background colors are consistent. The target browser is IE6 only and unfortunately solutions for others will not help.

23条回答
老娘就宠你
2楼-- · 2020-01-25 12:36

For browser specific issues also add frameborder="0" hspace="0" vspace="0" marginheight="0" marginwidth="0" according to Dreamweaver:

<iframe src="test.html" name="banner" width="300" marginwidth="0" height="300" marginheight="0" align="top" scrolling="No" frameborder="0" hspace="0" vspace="0">Browser not compatible. </iframe>
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一夜七次
3楼-- · 2020-01-25 12:38

In addition to adding the frameBorder attribute you might want to consider setting the scrolling attribute to "no" to prevent scrollbars from appearing.

<iframe src="myURL" width="300" height="300" frameBorder="0" scrolling="no">Browser not compatible. </iframe > 
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Animai°情兽
4楼-- · 2020-01-25 12:38

Use the HTML iframe frameborder Attribute

http://www.w3schools.com/tags/att_iframe_frameborder.asp

Note: use frameBorder (cap B) for IE, otherwise will not work. But, the iframe frameborder attribute is not supported in HTML5. So, Use CSS instead.

<iframe src="http://example.org" width="200" height="200" style="border:0">

you can also remove scrolling using scrolling attribute http://www.w3schools.com/tags/att_iframe_scrolling.asp

<iframe src="http://example.org" width="200" height="200" scrolling="no" style="border:0">

Also you can use seamless attribute which is new in HTML5. The seamless attribute of the iframe tag is only supported in Opera, Chrome and Safari. When present, it specifies that the iframe should look like it is a part of the containing document (no borders or scrollbars). As of now, The seamless attribute of the tag is only supported in Opera, Chrome and Safari. But in near future it will be the standard solution and will be compatible with all browsers. http://www.w3schools.com/tags/att_iframe_seamless.asp

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仙女界的扛把子
5楼-- · 2020-01-25 12:38

If you are using the iFrame to fit the width and height of the entire screen, which I am assuming you are not based on the 300x300 size, you must also set the body margins to "0" like this:

<body style="margin:0px;">
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走好不送
6楼-- · 2020-01-25 12:39

You can also do it with JavaScript this way. It will find any iframe elements and remove their borders in IE and other browsers (though you can just set a style of "border : none;" in non-IE browsers instead of using JavaScript). AND it will work even if used AFTER the iframe is generated and in place in the document (e.g. iframes that are added in plain HTML and not JavaScript)!

This appears to work because IE creates the border, not on the iframe element as you'd expect, but on the CONTENT of the iframe--after the iframe is created in the BOM. ($@&*#@!!! IE!!!)

Note: The IE part will only work (of course) if the parent window and iframe are from the SAME origin (same domain, port, protocol etc.). Otherwise the script will get "access denied" errors in the IE error console. If that happens, your only option is to set it before it is generated, as others have noted, or use the non-standard frameBorder="0" attribute. (or just let IE look fugly--my current favorite option ;) )

Took me MANY hours of working to the point of despair to figure this out...

Enjoy. :)

// =========================================================================
// Remove borders on iFrames

if (window.document.getElementsByTagName("iframe"))
   {
      var iFrameElements = window.document.getElementsByTagName("iframe");
      for (var i = 0; i < iFrameElements.length; i++)
         {
            iFrameElements[i].frameBorder="0";   //  For other browsers.
            iFrameElements[i].setAttribute("frameBorder", "0");   //  For other browsers (just a backup for the above).
            iFrameElements[i].contentWindow.document.body.style.border="none";   //  For IE.
         }
   }
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Melony?
7楼-- · 2020-01-25 12:40

Use this

style="border:none;

Example:

<iframe src="your.html" style="border:none;"></iframe>
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