This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The Range.getClientRects() method returns a list of DOMRect objects representing the area of the screen occupied by the range. This is created by aggregating the results of calls to Element.getClientRects() for all the elements in the range.
getClientRects()
None.
An iterable sequence of DOMRect objects.
<div></div> <pre id="output"></pre>
div {
height: 80px;
width: 200px;
background-color: blue;
}
const range = document.createRange();
range.selectNode(document.querySelector("div"));
rectList = range.getClientRects();
const output = document.querySelector("#output");
for (const rect of rectList) {
output.textContent = `${output.textContent}\n${rect.width}:${rect.height}`;
}
| Specification |
|---|
| CSSOM View Module> # dom-range-getclientrects> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
getClientRects |
4 | 12 | 4 | ≤12.1 | 5 | 18 | 4 | ≤12.1 | 4 | 1.0 | 4.4 | 4 |
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https://developer.mozilla.org/en-US/docs/Web/API/Range/getClientRects