id summary reporter owner description type status priority milestone component version resolution keywords cc blockedby blocking 3116 .attr does not work with SVG IDLs atrax timmywil "The function .attr does not work with read only interfaces of SVG specification. If you try to set a attribute that is present in a SVG IDL you get an error about setting a property for which only a getter is defined. In previous versions of JQuery the DOM IDL setAttribute would have been used to set cx for circle. In JQuery 1.2.6 circle[cx] is used which maps to the SVG IDL: read only property. A simple example: Demo " bug closed high 1.6 attributes 1.5.2 fixed .attr SVG read-only 7584