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HTML Canvas strokeStyle 属性
tryhtml5_canvas_strokestyle3
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<!DOCTYPE html> <html> <body> <h1>HTML5 Canvas</h1> <h2>The strokeStyle Property</h2> <canvas id="myCanvas" width="300" height="150" style="border:1px solid grey"></canvas> <script> const c = document.getElementById("myCanvas"); const ctx = c.getContext("2d"); ctx.font = "30px Verdana"; // Create gradient const gradient = ctx.createLinearGradient(0, 0, c.width, 0); gradient.addColorStop("0", "magenta"); gradient.addColorStop("0.5", "blue"); gradient.addColorStop("1.0", "red"); // Fill with gradient ctx.strokeStyle = gradient; ctx.strokeText("Big smile!", 10, 50); </script> </body> </html>