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HTML canvas direction 属性
tryhtml5_canvas_direction
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<!DOCTYPE html> <html> <body> <h1>HTML5 Canvas</h1> <h2>The save() Method</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 = "24px serif"; ctx.direction = "ltr"; ctx.fillText("FreeW3C", 150, 50); ctx.direction = "rtl"; ctx.fillText("FreeW3C", 150, 60); </script> </body> </html>