【手动触发浏览器标签页图标自带转圈效果】
效果图
代码
<!DOCTYPE html>
<html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>页面标题</title>
</head><body><script>function slowFunction() {const start = Date.now();while (Date.now() - start < 2000) { } // 阻塞2秒return "结果";}slowFunction(); // 调用后页面会卡顿</script>
</body></html>