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    A SVG script element is equivalent to the script element in HTML and thus is the place for scripts (e.g., ECMAScript).

    Any functions defined within any script element have a global scope across the entire current document.

    Usage context

    Categories None
    Permitted content Any elements or character data
    Normative document SVG 1.1 (2nd Edition)


    The following code snippet demonstrates the use of the SVG script tag. In this code, we use JavaScript to change the radius of the SVG <circle> element.

    <svg width="100%" height="100%" viewBox="0 0 100 100"
      <script type="text/javascript">
        // <![CDATA[
        function change(evt) {
          var target =;
          var radius = target.getAttribute("r");
          if (radius == 15) {
            radius = 45;
          } else {
            radius = 15;
       // ]]>
      <circle cx="50" cy="50" r="45" fill="green"
              onclick="change(evt)" />

    Live result:


    Global attributes

    Specific attributes

    DOM interface

    This element implements the SVGScriptElement interface.

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support 1.0 1.5 (1.8) 9.0 9.0 3.0.4
    Feature Android Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile
    Basic support 3.0 1.0 (1.8) Not supported (Yes) 3.0.4

    The chart is based on these sources.

    See also

    Document Tags and Contributors

    Contributors to this page: syssgx, Sheppy, Manuel_Strehl, kscarfone, Jeremie, rshetty
    Last updated by: kscarfone,