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Safari 15 crash page
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<html> | |
<head> | |
<script language="javascript"> | |
function init() { | |
const canvas = document.createElement("canvas"); | |
canvas.style.width = "800px"; | |
canvas.style.height = "600px"; | |
canvas.width = 1600; | |
canvas.height = 1200; | |
document.body.appendChild(canvas); | |
let first = null; | |
const radius = 2; | |
const paint = (step) => { | |
first = first ?? step; | |
const diff = (step - first) / 50; | |
const ctx = canvas.getContext("2d"); | |
ctx.clearRect(0, 0, 1600, 1200); | |
for (let k = 0; k < 3; k++) { | |
ctx.fillStyle = ['rgba(76, 175, 80, 0.5)', 'rgba(176, 175, 80, 0.5)', 'rgba(76, 175, 180, 0.5)'][k]; | |
ctx.beginPath(); | |
for (let j = 0; j < 5000; j++) { | |
const x = 1600 - j * 2 * 0.2; | |
const y = 300 * (k + 1) + 100 * Math.sin((j + diff) * Math.PI / 500); | |
ctx.moveTo(x + radius, y); | |
ctx.arc(x, y, radius, 0, Math.PI * 2, false); | |
} | |
ctx.fill(); | |
for (let j = 0; j < 5000; j++) { | |
const x = 1600 - j * 2 * 0.2; | |
const y = 300 * (k + 1) + 100 * Math.sin((j + diff) * Math.PI / 500); | |
const height = Math.random() * 100; | |
ctx.fillStyle = 'red'; | |
ctx.fillRect(x, x + 0.2, 0.2, height); | |
} | |
} | |
requestAnimationFrame(paint); | |
}; | |
requestAnimationFrame(paint); | |
} | |
</script> | |
</head> | |
<body onload="init()"></body> | |
</html> |
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