JSFiddle - React, Tailwind, and code Playground

by Elak

HTML

<div id="out"></div>

JavaScript

var matrix = new Array();

for (x = 0; x < 10; x++) {
    for (y=0; y < 10; y++){
            
            if (!matrix[x])
                matrix[x] = new Array();

            if (!matrix[x][y])
                matrix[x][y] = new Array();

            matrix[x][y] = {'x': x, 'y': y, 'width': 100, 'height': 100, 'position_x': x, 'position_y': y};
        $("#out").append("<li>" + dump(matrix[x][y]) + "</li>");
    }
}