The Range.cloneRange() method returns a Range object with boundary points identical to the cloned Range. 
 The returned clone is copied by value, not reference, so a change in either Range does not affect the other. 
 The Range.cloneRange() method returns a Range object with boundary points identical to the cloned Range. 
 The returned clone is copied by value, not reference, so a change in either Range does not affect the other. 
js
cloneRange()
None.
A Range object.
js
range = document.createRange(); range.selectNode(document.getElementsByTagName("div").item(0)); clone = range.cloneRange();
| Specification | 
|---|
| DOM Standard  # dom-range-clonerange  | 
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
cloneRange | 
1 | 12 | 1 | 9 | 9 | 1 | 4.4 | 18 | 4 | 10.1 | 1 | 1.0 | 
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    https://developer.mozilla.org/en-US/docs/Web/API/Range/cloneRange