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let gray = [];
function setup() {
createCanvas(240, 120);
for (var i = 0; i < width; i++) {
gray[i] = random(0, 255);
}
console.log('gray', gray);
}
function draw() {
for (var i = 0; i < gray.length; i++) {
stroke(gray[i]);
line(i, 0, i, height);
}
}
// https://editor.p5js.org/jht1493/sketches/BjH5BkIjj
// Ex_11_07 Filling an Array in a for Loop
// https://github.com/lmccart/gswp5.js-code/blob/master/11_Arrays/Ex_11_07.js