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HTML canvas drawImage() 方法
tryhtml5_canvas_drawimage
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<!DOCTYPE html> <html> <body> <h1>HTML5 Canvas</h1> <h2>The drawImage() Method</h2> <p>Image to use:</p> <img id="scream" src="/d/file/cba627dd671344227dc3de3df21316a7.jpg" alt="The Scream" width="220" height="277"> <p><button onclick="draw()">Tryit</button></p> <p>Click Tryit to draw the image on the canvas.</p> <canvas id="myCanvas" width="250" height="300" style="border:1px solid grey"></canvas> <script> function draw() { const c = document.getElementById("myCanvas"); const ctx = c.getContext("2d"); const img = document.getElementById("scream"); ctx.drawImage(img, 10, 10); } </script> </body> </html>