Grid layout with adaptive squares

Grid layout with adaptive squares, depending, on how much squares you want it to have.

Explanation:

In index.html we add <div> which is grid layout.
With default values as 16 rows and columns.
And it have fixed width and height, and all squares inside (how much you want to have), need to be made inside that space.

<div id="grid"></div>

<style>
#grid { display: grid; grid-template-columns: repeat(16, 1fr); grid-template-rows: repeat(16,1fr); width: 300px; height: 300px;}</style>

var x = 30;  // with this, we determine how much squares we want to have

// to get <div> element which is grid layout (parent), so we add (append) all children to this
var grid = document.getElementById("grid");

• Here we use , to execute ${x} , which means, to have that much squares. this is crucial to get all squares to shrink evenly !!! (after we added all childs to parent, they won't shrink without this !! )

// here we use ` ` , to execute ${x} , which means, to have that much squares. this is crucial to get all squares to shrink evenly !!! 
grid.style.gridTemplateColumns = `repeat(${x}, 1fr)`;
grid.style.gridTemplateRows = `repeat(${x}, 1fr)`;

• And this is used, to make that much squares, equally across, append it to grid layout (parent), and have it's border

// and this is used, to make that much squares, equally across
// append it to grid layout (parent)
// and have it's border 
for (var i = 0; i < x * x; i++ ){

    var cell = document.createElement("div");

    cell.style.border = "0.1px solid black";
    cell.style.borderCollapse = "collapse";

    grid.appendChild(cell);
}