SVGElement: zoom event - Web APIs
bubbles yes cancelable no interface svgevent event handler property onzoom examples svgelem.addeventlistener('zoom', () => { console.log('svg zoomed.'); }) ...

requiredFeatures - SVG: Scalable Vector Graphics
basicfilter the browser supports the <filter>, <feblend>, <fecolormatrix>, <fecomponenttransfer>, <fecomposite>, <feflood>, <fegaussianblur>, <feimage>, <femerge>, <femergenode>, <feoffset>, <fetile>, <fefuncr>, <fefuncg>, <fefuncb> and <fefunca> elements http://www.w3.org/tr/svg11/feature#documenteventsattribute the browser supports the onunload, onabort, onerror, onresize, onscroll and onzoom attributes http://www.w3.org/tr/svg11/feature#graphicaleventsattribute the browser supports the onfocusin, onfocusout, onactivate, onclick, onmousedown, onmouseup, onmouseover, onmousemove, onmouseout and onload attributes http://www.w3.org/tr/svg11/feature#animationeventsattribute the browser supports the onbegin, onend, onrepeat and onload attributes http://www.w3.org/tr/svg11/fe...