CharacterBoundsUpdateEvent: rangeStart property
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The CharacterBoundsUpdateEvent.rangeStart
read-only property represents the offset of the first character within the editable text region for which the operating system needs the bounds.
Value
A Number
.
Examples
Reading the rangeStart
value
This example shows how to use the characterboundsupdate
event and read the value of the rangeStart
and rangeEnd
properties.
js
const editContext = new EditContext();
editorElement.editContext = editContext;
editContext.addEventListener("characterboundsupdate", (e) => {
console.log(
`The OS needs the bounds of the chars at ${e.rangeStart} - ${e.rangeEnd}.`,
);
});
Specifications
Specification |
---|
EditContext API # dom-characterboundsupdateevent-rangestart |
Browser compatibility
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
rangeStart |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
- No support
- No support
- Experimental. Expect behavior to change in the future.
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.