inserthorizontalrule-in-fieldset-and-everything-styled-white-space-pre.html (777B)
1 <!DOCTYPE html> 2 <html> 3 <head> 4 <style> 5 * { 6 white-space: pre 7 } 8 </style> 9 <script> 10 document.addEventListener('DOMContentLoaded', () => { 11 const quote_0 = document.getElementById('id_0') 12 const quote_1 = document.createElement('blockquote') 13 const fieldset_1 = document.createElement('fieldset') 14 quote_1.appendChild(fieldset_1) 15 document.documentElement.appendChild(quote_1) 16 const selection = self.getSelection() 17 selection.collapse(fieldset_1, 0) 18 quote_0.contentEditable = false 19 document.documentElement.contentEditable = true 20 document.execCommand('insertHorizontalRule', false, null) 21 }) 22 </script> 23 </head> 24 <blockquote id='id_0'></blockquote> 25 </html>