function cmd(name){ document.execCommand(name,false,null); document.getElementById('editor').focus(); }
function h2(){ document.execCommand('formatBlock', false, 'h2'); document.getElementById('editor').focus(); }
function link(){ const url=prompt('Pega la URL:'); if(url) document.execCommand('createLink', false, url); }
function syncEditor(){ document.getElementById('content').value=document.getElementById('editor').innerHTML; }