<!DOCTYPE html>
<meta charset="utf-8">
<script>
onload = () => {
  document.querySelector("canvas[contenteditable]").blur();
  document.execCommand("selectAll", false);
  getSelection().modify("move", "forward", "lineboundary");
  document.execCommand("selectAll", false);
};
</script>
<canvas contenteditable="true">
<audio controls>
