Upload image get base64 bit encoding

function loadimg () {//Get File    varFile = $ ("#imgForm"). Find ("input")[0].files[0]; //to create an object that reads a file    varReader =NewFileReader (); //creating file read-related variables    varImgfile; //setting events successfully for file readReader.onload=function (e) {alert ('file Read Complete'); Imgfile=E.target.result;          Console.log (Imgfile); $("#imgContent"). attr ('src', Imgfile);        }; //formally read filesreader.readasdataurl (file); }  

Upload image get base64 bit encoding