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HTML <option> style Attribute

HTML <optgroup>

HTML <output>

A style attribute on an <option> tag assigns a unique style to the option.

Its value is CSS that defines the appearance of the option.

Example

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A style attribute on four <option> elements.

<select>
  <option>-- Select country --</option>
  <option style="background: #dfe7ff;color:#4e46e5;">United States</option>
  <option style="background: #dfe7ff;color:#4e46e5;">United Kingdom</option>
  <option style="background: #dfe7ff;color:#4e46e5;">Thailand</option>
  <option style="background: #dfe7ff;color:#4e46e5;">India</option>
</select>

Using style

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The style attribute specifies the style, i.e. look and feel, of the <option> 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 <option> element only.

Syntax

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<option style="CSS-styles">

Values

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Value	Description
CSS-styles	One or more CSS property/value pairs separated by semicolons (;).

More Examples

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A style attribute on <option> elements.
Clicking the button toggles the thickness of the option text.

<select id="myselect">
  <option>-- Select country --</option>
  <option style="background: #dfe7ff;color:#4e46e5;">United States</option>
  <option style="background: #dfe7ff;color:#4e46e5;">United Kingdom</option>
  <option style="background: #dfe7ff;color:#4e46e5;">Thailand</option>
  <option style="background: #dfe7ff;color:#4e46e5;"style="background: #dfe7ff;color:#4e46e5;">India</option>
</select>

<br />
<button onclick="toggle();">Toggle class</button>

<script>
  let toggle = () => {
    let elements = document.getElementById("myselect").getElementsByTagName("option");
    [].forEach.call(elements, element => {
        if (element.style.fontWeight === "700") {
          element.style.fontWeight = "400";
        } else {
          element.style.fontWeight = "700";
        }
    });
  }
</script>

Code explanation

The style attribute assigns a font weight to the <option> elements.

Clicking the button calls JavaScript which locates all the <option> elements.

It then iterates over the elements and toggles the text boldness.

Browser support

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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

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Back to <option>