javascript - Error while using JIC for image compression in client-side -


using solution in question brunobar79. problem getting following error;

uncaught typeerror: failed execute 'drawimage' on 'canvasrenderingcontext2d': provided value not of type '(cssimagevalue or htmlimageelement or svgimageelement or htmlvideoelement or htmlcanvaselement or imagebitmap or offscreencanvas)'

my js;

<script type="text/javascript"> var jic = {         compress: function(source_img_obj, quality, output_format){               var mime_type = "image/jpeg";              if(typeof output_format !== "undefined" && output_format=="png"){                 mime_type = "image/png";              };               var cvs = document.createelement('canvas');              cvs.width = source_img_obj.naturalwidth;              cvs.height = source_img_obj.naturalheight;              var ctx = cvs.getcontext("2d").drawimage(source_img_obj, 0, 0);              var newimagedata = cvs.todataurl(mime_type, quality/100);              var result_image_obj = new image();              result_image_obj.src = newimagedata;              return result_image_obj;         }, } function myfunction(){     var source_img = document.getelementbyid("source_img"),         target_img = document.getelementbyid("target_img");     var quality =  80,     output_format = 'jpg';     target_img.src = jic.compress(source_img,quality,output_format).src;     console.log("i myfunction!"); }; </script>

snippet of html;

<form>   <img src="" id="target_img"> </form> <button onclick="myfunction()" >compress</button>

another developer has added html/python code hence not sure add here that. <form> has source_img defined id in it.

the client's requirement when image, once selected, should compressed , placed in <img> after compress button clicked.this first time using image compression using js in client-side , considerably new js. please advise.


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