Select areas of an image with Jquery : <p>I started a web application with C# and mvc5.</p>

<p>In my application I read images from database and show them in an image slider.</p>

<p>I want to add a button to the page and when user click on this button User can click on one area of image and I save this x and y of area to the database.</p>

<p>my problem is I dont know how can I get the x and y with any resolution of devices. Maybe user use Iphone maybe Ipad or maybe imac.</p>
