標籤：png document http alt src init getc tco 技術分享
代碼：
<!DOCTYPE html><html lang="zh"><head> <meta charset="UTF-8"> <title>繪製陰影</title> <script> function init() { var canvas=document.getElementById(‘canvas‘); var ctx=canvas.getContext("2d"); ctx.shadowBlur=1.5; ctx.shadowColor="red"; ctx.shadowOffsetX=5; ctx.shadowOffsetY=5; ctx.strokeStyle="blue"; ctx.font=" italic 40px 宋體"; ctx.strokeText("你好",200,200); } </script></head><body onload="init();"><canvas id="canvas" width="400" height="300" style="border:2px blueviolet solid"></canvas></body></html>
效果：
2017-09-08 12:36:38
HTML5 繪製陰影
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