javascript - Can't set allowTransparency when using createElement for iframe - Stack Overflow

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I'm doing document.createElement to insert an iframe, but I'm not able to set allowTransparency. Here's the code I'm using:

var iframe = document.createElement('iframe');
iframe.className = 'example';
iframe.allowTransparency = 'true';
iframe.frameBorder = '0';
iframe.scrolling = 'no';
iframe.style.width = '260px';
iframe.style.height = '120px';
iframe.style.border = 'none';
iframe.src = '//example/page';
document.body.appendChild(iframe);

But the output, according to Web Inspector, is just:

<iframe class="example" frameborder="0" scrolling="no" style="width: 260px; height: 120px; border: none; " src="//example/page"></iframe>

I'm doing document.createElement to insert an iframe, but I'm not able to set allowTransparency. Here's the code I'm using:

var iframe = document.createElement('iframe');
iframe.className = 'example';
iframe.allowTransparency = 'true';
iframe.frameBorder = '0';
iframe.scrolling = 'no';
iframe.style.width = '260px';
iframe.style.height = '120px';
iframe.style.border = 'none';
iframe.src = '//example./page';
document.body.appendChild(iframe);

But the output, according to Web Inspector, is just:

<iframe class="example" frameborder="0" scrolling="no" style="width: 260px; height: 120px; border: none; " src="//example./page"></iframe>

• javascript
• iframe
• createelement

Share Improve this question Follow asked Feb 15, 2013 at 22:06 ShpigfordShpigford 25.4k6161 gold badges167167 silver badges262262 bronze badges

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2 Answers 2

Sorted by: Reset to default 9

Try this:

iframe.setAttribute('allowtransparency', 'true');

Have you tried this with jQuery? It would be as simple as

$(".example").attr("allowTransparency", "true");

Your Javascript example seems correct.

I'm doing document.createElement to insert an iframe, but I'm not able to set allowTransparency. Here's the code I'm using:

var iframe = document.createElement('iframe');
iframe.className = 'example';
iframe.allowTransparency = 'true';
iframe.frameBorder = '0';
iframe.scrolling = 'no';
iframe.style.width = '260px';
iframe.style.height = '120px';
iframe.style.border = 'none';
iframe.src = '//example/page';
document.body.appendChild(iframe);

But the output, according to Web Inspector, is just:

<iframe class="example" frameborder="0" scrolling="no" style="width: 260px; height: 120px; border: none; " src="//example/page"></iframe>

I'm doing document.createElement to insert an iframe, but I'm not able to set allowTransparency. Here's the code I'm using:

var iframe = document.createElement('iframe');
iframe.className = 'example';
iframe.allowTransparency = 'true';
iframe.frameBorder = '0';
iframe.scrolling = 'no';
iframe.style.width = '260px';
iframe.style.height = '120px';
iframe.style.border = 'none';
iframe.src = '//example./page';
document.body.appendChild(iframe);

But the output, according to Web Inspector, is just:

<iframe class="example" frameborder="0" scrolling="no" style="width: 260px; height: 120px; border: none; " src="//example./page"></iframe>

• javascript
• iframe
• createelement

Share Improve this question Follow asked Feb 15, 2013 at 22:06 ShpigfordShpigford 25.4k6161 gold badges167167 silver badges262262 bronze badges

Add a ment  | 

2 Answers 2

Sorted by: Reset to default 9

Try this:

iframe.setAttribute('allowtransparency', 'true');

Have you tried this with jQuery? It would be as simple as

$(".example").attr("allowTransparency", "true");

Your Javascript example seems correct.

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