1873708-emoji-canvas-filter.html

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<!doctype html>

<p>The same 5 gray emoji should be present and unclipped on all 3 lines:</p>

<canvas id=c width=400 height=200></canvas>

<script>

const x = c.getContext('2d');

x.filter = 'invert(.5)';

x.font = '50px monospace';

x.fillText('x\u{1F41E}\u{1F98A}\u{1F41E}\u{1F98A}\u{1F41E} ', 0, 50);

x.fillText(' \u{1F41E}\u{1F98A}\u{1F41E}\u{1F98A}\u{1F41E}x', 0, 100);

x.fillText('x\u{1F41E}\u{1F98A}\u{1F41E}\u{1F98A}\u{1F41E}x', 0, 150);

</script>