MathMLElement: blur() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2023.

The blur() method of the MathMLElement interface removes keyboard focus from the current MathML element.

Syntax

js
blur()

Parameters

None.

Return value

None (undefined).

Examples

Remove focus from a MathML element

HTML

html
<div>
  <math>
    <msup id="myMath" tabindex="0">
      <mi>x</mi>
      <mn>2</mn>
    </msup>
  </math>
  <button id="focusButton">Focus the Math</button>
  <button id="blurButton">Blur the Math</button>
</div>

JavaScript

js
const mathElement = document.getElementById("myMath");
const focusButton = document.getElementById("focusButton");
const blurButton = document.getElementById("blurButton");

// Focus the MathMLElement when the "Focus" button is clicked
focusButton.addEventListener("click", () => {
  mathElement.focus();
});

// Blur the MathMLElement when the "Blur" button is clicked
blurButton.addEventListener("click", () => {
  mathElement.blur();
});

Result

Specifications

Specification
HTML
# dom-blur-dev

Browser compatibility

desktop mobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
blur
Chrome – Full support
Chrome 109 (Release date: 2023-01-10)
footnote Full support
Edge – Full support
Edge 109 (Release date: 2023-01-12)
footnote Full support
Firefox – Full support
Firefox 71 (Release date: 2019-12-10)
footnote Full support
Opera – Full support
Opera 95 (Release date: 2023-02-01)
footnote Full support
Safari – Full support
Safari 13.1 (Release date: 2020-03-24)
footnote Full support
Chrome Android – Full support
Chrome Android 109 (Release date: 2023-01-10)
footnote Full support
Firefox for Android – Full support
Firefox for Android 79 (Release date: 2020-07-28)
footnote Full support
Opera Android – Full support
Opera Android 74 (Release date: 2023-03-13)
footnote Full support
Safari on iOS – Full support
Safari on iOS 13.4 (Release date: 2020-03-24)
footnote Full support
Samsung Internet – Full support
Samsung Internet 21 (Release date: 2023-05-19)
footnote Full support
WebView Android – Full support
WebView Android 109 (Release date: 2023-01-10)
footnote Full support
WebView on iOS – Full support
WebView on iOS 13.4 (Release date: 2020-03-24)
footnote Full support

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

See also