file_texImage2D.html

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<!doctype html>

<canvas></canvas>

<script>

var canvas = document.body.firstChild,

    gl = canvas.getContext("experimental-webgl");

gl.texImage2D(0, 0, 0, 0, 0, { get width() { throw 7 }, get height() { throw 7 }, data: new Uint8ClampedArray(10) });

gl.texSubImage2D(0, 0, 0, 0, 0, 0, { get width() { throw 7 }, get height() { throw 7 }, data: new Uint8ClampedArray(10) });

</script>