title: How to change the sharpness and make a photo black and white using JavaScript?
body: <p>I have designed a basic webpage in HTML which is basically web app to edit the photos online.</p>
  
  <p>Now I am unable to code the program as to how the colour sharpness brightness blurness, making a photo black and white and others haven't been possible.</p>
  
  <p>How do we use HTML and JavaScript to make this work online?</p>