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
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rangeStart
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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.