<!DOCTYPE html>
<html>
<meta http-equiv='content-type' content='text/html; charset=utf-8'>
<body>
<div contenteditable>
<p><br></p>
<p style="text-align: center; font-size: 15px;"><img src="icon.png">你</p>
<p>hello, world</p>
</div>
<script>
document.querySelector('div').focus();
getSelection().setPosition(document.querySelector('img').parentNode, 1);
</script>
</body>
</html>