A style attribute on an <iframe> tag assigns a unique style to the element.
Its value is CSS that defines the appearance of the iframe element.
A style attribute on an <iframe> element.
<iframe src="https://www.wikipedia.org/wiki/Vincent_van_Gogh"
style="border:4px solid teal;height:450px;width:100%;">
</iframe>
The style attribute specifies the style, i.e. look and feel, of the <iframe> element.
A style contains any number of CSS property/value pairs, separated by semicolons (;).
The style attribute overrides any other style that was defined in a <style> tag or an external CSS file.
This inline styling affects the current <iframe> element only.
<iframe style="CSS-styles">
| Value | Description |
|---|---|
| CSS-styles | One or more CSS property/value pairs separated by semicolons (;). |
A style attribute on an <iframe> element.
Clicking the button toggles the border color.
<iframe id="myiframe"
src="https://www.wikipedia.org/wiki/Vincent_van_Gogh"
style="border:4px solid teal;height:450px;width:100%;">
</iframe>
<br /><br />
<button type="button" onclick="toggle();">Toggle style</button>
<script>
let toggle = () => {
let element = document.getElementById("myiframe");
if (element.style.borderColor === "teal") {
element.style.borderColor = "tomato";
} else {
element.style.borderColor = "teal";
}
}
</script>
The style attribute assigns a border to the <iframe> element.
Repeatedly clicking the button calls JavaScript that changes the border color.
Here is when style support started for each browser:
 Chrome
|
1.0 | Sep 2008 |
 Firefox
|
1.0 | Sep 2002 |
 IE/Edge
|
1.0 | Aug 1995 |
 Opera
|
1.0 | Jan 2006 |
 Safari
|
1.0 | Jan 2003 |
Back to <iframe>
