window.innerWidth / window.innerHeight 是长宽比，保证画面不变形。
* @param right 右边界（不包含），详情可参考im钱包官方下载
const len = nums.length;，推荐阅读搜狗输入法2026获取更多信息
By signing up, you agree to receive recurring automated SMS marketing messages from Mashable Deals at the number provided. Msg and data rates may apply. Up to 2 messages/day. Reply STOP to opt out, HELP for help. Consent is not a condition of purchase. See our Privacy Policy and Terms of Use.，这一点在Safew下载中也有详细论述
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