javascript - Parallel Coordinates Download Plot Callback -


i trying implement download plot feature parallel coordinates. have setup using jquery handle on click , followed example download plot. getting failed - network error on chrome.

i assume has callback have idea can causing this? 

$('#download-image').click(function(e){       e.preventdefault();       var callback = function (canvas) {           // download image           var download = document.createelement("a");           download.href = canvas.todataurl("image/png");           download.download = "parallel-coordinate.png";           download.click()       };       parcoords.mergeparcoords(callback);     });


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