TextUpdateEvent: updateRangeStart property

{{APIRef("EditContext API")}}{{SeeCompatTable}}

The TextUpdateEvent.updateRangeStart read-only property indicates the start position of the text range that is being replaced in the {{domxref("EditContext")}} object.

Value

A {{jsxref("Number")}}.

Examples

Using textupdate to display the inserted text and location

<div id="editor"></div>

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

{{Specifications}}

Browser compatibility

{{Compat}}