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- <canvas id="myCanvas"width="100" height="100"></canvas>
- <script>
- function getr(){
- var array = new Uint32Array(10);
- window.crypto.getRandomValues(array);
- return array[1];
- }
- function draw(i,x,y){
- var c=document.getElementById("myCanvas");
- var ctx=c.getContext("2d");
- var imgData=ctx.createImageData(100,100);
- imgData.data[0]=i;
- imgData.data[1]=i;
- imgData.data[2]=i;
- imgData.data[3]=255;
- ctx.putImageData(imgData,x,y);
- }
- function start(){
- for(o = 0; o < 100; o++){
- for(j = 0; j < 100; j++){
- draw(Math.floor(getr()/10000000000*255),o,j);
- }
- }
- }
- start();
- </script>
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