Javascript: Count number of screen

Question

We are developing a web application that will use 4 screens. Is there a way to count the number of screens?

Answer 1

This may help

Assuming rectangular arrangement of screen and all screen has same height and width.

 /// total window width divided by single screen width

var h_screens = Math.round(window.outerWidth / window.screen.availWidth);

 /// total window height divided by single screen height
var v_creens = Math.round(window.outerHeight / window.screen.availHeight);
var total_screens = h_screens * v_creens;

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  4 = 2* 2;