javascript - force browser to download image files on click

javascript - force browser to download image files on click:
<script type="text/javascript"> function prepHref(linkElement) { var myDiv = document.getElementById('Div_contain_image'); var myImage = myDiv.children[0]; linkElement.href = myImage.src; } </script> <div id="Div_contain_image"> <img src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjvrKz29rKQDjPX9h3hIhHHtqDP-4UyxxaSWGXREvnMu1ovJK6DqXqKzzuRH2dTIp6gfFAKIKM5C7zifLSRMv2pc_KKHRE2M54JhXvgneso8aF_G1EQNIBgCGsPhHkc0-0qIph0nzQPG68D/s1600/kiss-day-love-valentine-day-hd-wallpaper+%25282%2529.jpg" alt='MyImage'> </div> <a href="#" onclick="prepHref(this)" download>Click here to download image</a>

Check Output here:
Click here to download image

javascript - force browser to download image files on click