<!DOCTYPE html>
<html>
    <head>
        <title>measureText directionality</title>
        <meta charset="utf-8">
        <style>
            canvas { background: green; }
        </style>
    </head>
    <body>
        <h1>measureText directionality</h1>
        <canvas id="canvas" width="150" height="150"></canvas>
        <p>
            There should be a green box above with no red.
        </p>
    </body>
</html>