https://blog.archai.space/tags/canvas/ Recent content in Canvas on Archai's home Hugo -- gohugo.io Sun, 20 Mar 2022 00:00:00 +0000 https://blog.archai.space/p/canvas%E7%BB%98%E5%88%B6%E8%B7%9F%E9%9A%8F%E9%BC%A0%E6%A0%87%E7%A7%BB%E5%8A%A8%E7%9A%84%E7%BA%BF%E6%9D%A1/ Sun, 20 Mar 2022 00:00:00 +0000 https://blog.archai.space/p/canvas%E7%BB%98%E5%88%B6%E8%B7%9F%E9%9A%8F%E9%BC%A0%E6%A0%87%E7%A7%BB%E5%8A%A8%E7%9A%84%E7%BA%BF%E6%9D%A1/ 在浏览网页时无意中发现了下面这种背景互动的效果： 通过一番周折，最终找到以下实现代码 function randomLine() { function n(n, e, t) { return n.getAttribute(e) || t } function e(n) { return document.getElementsByTagName(n) } function t() { var t = e("script"), o = t.length, i = t[o - 1]; return { l: o, z: n(i, "zIndex", -88), o: n(i, "opacity", .5), c: n(i, "color","0,0,0"), n: n(i, "count", 150) } } function o() { a = m.width = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth, c = m.