()
| 147 | |
| 148 | |
| 149 | function getWindowScrollingElement() { |
| 150 | let scrollingElement = document.scrollingElement; |
| 151 | |
| 152 | if (scrollingElement) { |
| 153 | return scrollingElement |
| 154 | } else { |
| 155 | return document.documentElement |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | |
| 160 | /** |
no outgoing calls
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