2 document
.addEventListener('DOMContentLoaded', () => {
3 selection
= document
.getSelection()
4 element
= document
.createElementNS('', 'm')
5 document
.documentElement
.appendChild(element
)
7 range
.setStartBefore(element
)
8 selection
.addRange(range
)
9 document
.documentElement
.contentEditable
= true
10 document
.execCommand('forwardDelete', false, null)