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CharacterData: deleteData() method

files/en-us/web/api/characterdata/deletedata/index.md

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{{APIRef("DOM")}}

The deleteData() method of the {{domxref("CharacterData")}} interface removes all or part of the data from this CharacterData node.

Syntax

js-nolint
deleteData(offset, count)

Parameters

  • offset
    • : The number of bytes from the start of the data to remove from. 0 is the first character of the string.
  • count
    • : The number of bytes to remove.

Return value

None.

Exceptions

  • IndexSizeError {{domxref("DOMException")}}
    • : Thrown if offset is greater than the length of the contained data.

Example

html
<span>Result: </span>A long string.
js
const span = document.querySelector("span");
const textNode = span.nextSibling;

textNode.deleteData(1, 5);

{{EmbedLiveSample("Example", "100%", 50)}}

Specifications

{{Specifications}}

Browser compatibility

{{Compat}}

See also

  • {{domxref("CharacterData.appendData()")}}, {{domxref("CharacterData.insertData()")}}, {{domxref("CharacterData.replaceData()")}}
  • {{domxref("CharacterData.data")}}