javascript - I'm trying to get this code I found for draggable SVGs to work -


i found interesting code on petercollingridge.co.uk dragging svgs.

after while of trying work in project, decided try peter's code run in fiddle.

<svg xmlns:svg="http://www.w3.org/2000/svg" xmlns="http://www.w3.org/2000/svg" version="1.1" width="400" height="200">      <style>      .draggable {          cursor: move;      }      </style>      <script type="text/ecmascript">      < ![cdata[          var selectedelement = 0;          var currentx = 0;          var currenty = 0;          var currentmatrix = 0;            function selectelement(evt) {              selectedelement = evt.target;              currentx = evt.clientx;              currenty = evt.clienty;              currentmatrix = selectedelement.getattributens(null, "transform").slice(7, -1).split(' ');                (var = 0; < currentmatrix.length; i++) {                  currentmatrix[i] = parsefloat(currentmatrix[i]);              }                selectedelement.setattributens(null, "onmousemove", "moveelement(evt)");              selectedelement.setattributens(null, "onmouseout", "deselectelement(evt)");              selectedelement.setattributens(null, "onmouseup", "deselectelement(evt)");          }            function moveelement(evt) {              var dx = evt.clientx - currentx;              var dy = evt.clienty - currenty;              currentmatrix[4] += dx;              currentmatrix[5] += dy;              selectedelement.setattributens(null, "transform", "matrix(" + currentmatrix.join(' ') + ")");              currentx = evt.clientx;              currenty = evt.clienty;          }            function deselectelement(evt) {              if (selectedelement != 0) {                  selectedelement.removeattributens(null, "onmousemove");                  selectedelement.removeattributens(null, "onmouseout");                  selectedelement.removeattributens(null, "onmouseup");                  selectedelement = 0;              }          }      ]] >      </script>      <rect x="0.5" y="0.5" width="399" height="199" fill="none" stroke="black" />      <rect class="draggable" x="30" y="30" width="80" height="80" fill="blue" transform="matrix(1 0 0 1 25 20)" onmousedown="selectelement(evt)" />      <rect class="draggable" x="160" y="50" width="50" height="50" fill="green" transform="matrix(1 0 0 1 103 -25)" onmousedown="selectelement(evt)" />  </svg>

i'm still getting errors in project, being:

" uncaught syntaxerror: unexpected token <" , "uncaught referenceerror: selectelement not defined "

i read invisible characters causing first problem if copy/paste code, haven't found any.

thanks can offer.

like others said, remove cdata jumbo. here updated fiddle: https://jsfiddle.net/88pocqsr/1/

we've removed < ![cdata[ , ]]>


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