Element: Activate event

Occurs when an element is activated, for instance, through a mouse click or a keypress.

Bubbles Yes
Cancelable Yes
Interface MouseEvent
Event handler property onactivate


<?xml version="1.0" encoding="UTF-8"?>
<svg xmlns="http://www.w3.org/2000/svg" version="1.2" baseProfile="tiny"
     width="6cm" height="5cm" viewBox="0 0 600 500">

  <desc>Example: invoke an ECMAScript function from a DOMActivate event</desc>

  <!-- ECMAScript to change the radius -->
  <script type="application/ecmascript"><![CDATA[
    function change(evt) {
      var circle = evt.target;
      var currentRadius = circle.getFloatTrait("r");
      if (currentRadius == 100)
        circle.setFloatTrait("r", currentRadius * 2);
        circle.setFloatTrait("r", currentRadius * 0.5);

  <!-- Act on each DOMActivate event -->
  <circle cx="300" cy="225" r="100" fill="red">
    <handler type="application/ecmascript" ev:event="DOMActivate"> change(evt); </handler>

  <text x="300" y="480" font-family="Verdana" font-size="35" text-anchor="middle">
    Activate the circle to change its size


Specification Status
CSS Object Model (CSSOM) View Module
The definition of 'MouseEvent' in that specification.
Working Draft
Pointer Lock
The definition of 'MouseEvent' in that specification.
Candidate Recommendation

Browser compatibility

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See also

Document Tags and Contributors

Contributors to this page: irenesmith, mdnwebdocs-bot, fscholz, mfluehr, teoli, rolfedh, essymo
Last updated by: irenesmith,