| 12922 | return o.child |
| 12923 | } |
| 12924 | function Dj(s, o) { |
| 12925 | if (!Fn) |
| 12926 | switch (s.tailMode) { |
| 12927 | case 'hidden': |
| 12928 | o = s.tail |
| 12929 | for (var i = null; null !== o; ) |
| 12930 | (null !== o.alternate && (i = o), (o = o.sibling)) |
| 12931 | null === i ? (s.tail = null) : (i.sibling = null) |
| 12932 | break |
| 12933 | case 'collapsed': |
| 12934 | i = s.tail |
| 12935 | for (var a = null; null !== i; ) |
| 12936 | (null !== i.alternate && (a = i), (i = i.sibling)) |
| 12937 | null === a |
| 12938 | ? o || null === s.tail |
| 12939 | ? (s.tail = null) |
| 12940 | : (s.tail.sibling = null) |
| 12941 | : (a.sibling = null) |
| 12942 | } |
| 12943 | } |
| 12944 | function S(s) { |
| 12945 | var o = null !== s.alternate && s.alternate.child === s.child, |
| 12946 | i = 0, |