TextUpdateEvent: updateRangeStart 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 TextUpdateEvent.updateRangeStart read-only property indicates the start position of the text range that is being replaced in the EditContext object.

Value

Examples

Using textupdate to display the inserted text and location

html
<div id="editor"></div>
js
const editorEl = document.getElementById("editor");
const editContext = new EditContext();
editorEl.editContext = editContext;

editContext.addEventListener("textupdate", (e) => {
  console.log(
    `The user inserted the text "${e.text}" between index ${e.updateRangeStart} and index ${e.updateRangeEnd}.`,
  );
});

Specifications

Specification
EditContext API
# dom-textupdateevent-updaterangestart

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
updateRangeStart
Experimental

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.