摘要:
1、时钟外圆的绘制 了解基本概念: 1度 = Math.PI/180; var canvas = document.getElementById('clock'); var ctx = canvas.getContext('2d'); var width = ctx.canvas.width; va 阅读全文
摘要:
<!DOCTYPE html> <html> <head> <title>clock-three</title> <meta charset="utf-8"/> <style> body { margin: 0px; background-color: #000; overflow:hidden; 阅读全文