jquery - add download function to a click event with Javascript -

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i wondering if possible add download function click event purely in javascript, example, when user clicks on image, gets automatically downloaded. example have image tag <img src="filelocation" id="img"/> , want downloaded on click. (i can't use "download="myfile.png".

is there 

$('#img').on('click',function(e){   img.download="myfile.png"; });

all answers online suggest adding download="..." tag

thanks!

maybe this:

document.getelementbyid('download').click();
<a id="download" href="https://assets.entrepreneur.com/content/16x9/822/20150721193719-solshero3.jpeg" download hidden></a>

play it: here

but if can't have download attribute: play then.

good luck!!


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