摘要:
```js let ele = document.getElementById('GameCanvas'); let rect = ele.getBoundingClientRect(); let touch = new Touch({ "identifier" : 0, "target" : ele, "clientX" : (rect.left + rect.right)/2, "client 阅读全文
posted @ 2020-02-23 02:24
Dai Hanlong
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摘要:
[TOC] 关于取余运算 两个数 n d 进行取余,记为: n % d (d !== 0). 对于结果 r 的正负性,可以规定为,与 n 的符号一致. 见下面的mod函数. js console.log(' 12%5:', 12%5); console.log('12% 5:',12% 5); co 阅读全文
posted @ 2019-07-27 00:11
Dai Hanlong
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