numRows = 10;
// Number of rows
numCols = 10;
// Number of columns
freq = 10;
// Animation speed
output = "";
seedRandom(index + Math.floor(time * freq), true);
for (r = 0; r < numRows; r++) {
line = "";
for (c = 0; c < numCols; c++) {
charCode = Math.floor(random(65, 91));
// A-Z
line += String.fromCharCode(charCode) + " ";
}
output += line + "\r";
}
output;