//Passing in my array of images that I need to break down into a 2D array
//Also, including the width of the entire grid space and each image's uniformed width
function computeRows(imageArray, width, imageWidth) {
    var rows = [];
    if (imageArray) {
        const rowCount = width/ imageWidth;
        const copy = imageArray.slice(); //using a copy instead of affecting actual element
        while (copy.length) { //create the 2D array by looping through the imageArray and splicing it into chunks
            rows.push(copy.splice(0, rowCount)); 
        }
    }
    return rows;
}
//Will need to bind computeRows() to the scope