| CARVIEW |
Select Language
HTTP/2 301
content-length: 162
content-type: text/html
date: Wed, 15 Oct 2025 21:01:16 GMT
location: https://developer.mozilla.org/en-US/docs/Web/API/CharacterData/replaceData
server: nginx
strict-transport-security: max-age=60; includeSubDomains
via: 1.1 google
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
HTTP/2 200
content-type: text/html
x-guploader-uploadid: AAwnv3KHRv0eOA0FH9reDzLO8kOd5j146a8vuLkVE0yAQvEhl342ha4wa61U9FY5qHjE2R3c741NnKo
cache-control: public, max-age=3600
expires: Wed, 15 Oct 2025 22:01:17 GMT
last-modified: Wed, 15 Oct 2025 09:08:26 GMT
etag: W/"3b15e11b253d53bb43c1ebd000cd9087"
x-goog-generation: 1760519306505939
x-goog-metageneration: 1
x-goog-stored-content-encoding: identity
x-goog-stored-content-length: 140594
x-goog-meta-goog-reserved-file-mtime: 1760517802
x-goog-hash: crc32c=j0e+3Q==, md5=OxXhGyU9U7tDwevQAM2Qhw==
x-goog-storage-class: STANDARD
accept-ranges: none
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
alt-svc: clear
referrer-policy: strict-origin-when-cross-origin
x-content-type-options: nosniff
strict-transport-security: max-age=63072000
content-security-policy: default-src 'self'; script-src 'report-sample' 'self' 'wasm-unsafe-eval' https://www.google-analytics.com/analytics.js https://www.googletagmanager.com/gtag/js assets.codepen.io production-assets.codepen.io https://js.stripe.com 'sha256-XNBp89FG76amD8BqrJzyflxOF9PaWPqPqvJfKZPCv7M=' 'sha256-YCNoU9DNiinACbd8n6UPyB/8vj0kXvhkOni9/06SuYw=' 'sha256-PZjP7OR6mBEtnvXIZfCZ5PuOlxoDF1LDZL8aj8c42rw='; script-src-elem 'report-sample' 'self' 'wasm-unsafe-eval' https://www.google-analytics.com/analytics.js https://www.googletagmanager.com/gtag/js assets.codepen.io production-assets.codepen.io https://js.stripe.com 'sha256-XNBp89FG76amD8BqrJzyflxOF9PaWPqPqvJfKZPCv7M=' 'sha256-YCNoU9DNiinACbd8n6UPyB/8vj0kXvhkOni9/06SuYw=' 'sha256-PZjP7OR6mBEtnvXIZfCZ5PuOlxoDF1LDZL8aj8c42rw='; style-src 'report-sample' 'self' 'unsafe-inline'; object-src 'none'; base-uri 'self'; connect-src 'self' developer.allizom.org bcd.developer.allizom.org bcd.developer.mozilla.org updates.developer.allizom.org updates.developer.mozilla.org https://*.google-analytics.com https://*.analytics.google.com https://*.googletagmanager.com https://incoming.telemetry.mozilla.org https://observatory-api.mdn.allizom.net https://observatory-api.mdn.mozilla.net https://api.github.com/search/issues stats.g.doubleclick.net https://api.stripe.com; font-src 'self'; frame-src 'self' interactive-examples.mdn.mozilla.net interactive-examples.mdn.allizom.net mdn.github.io live-samples.mdn.mozilla.net live-samples.mdn.allizom.net *.mdnplay.dev *.mdnyalp.dev *.play.test.mdn.allizom.net https://v2.scrimba.com https://scrimba.com jsfiddle.net www.youtube-nocookie.com codepen.io survey.alchemer.com https://js.stripe.com; img-src 'self' data: *.githubusercontent.com *.googleusercontent.com *.gravatar.com mozillausercontent.com firefoxusercontent.com profile.stage.mozaws.net profile.accounts.firefox.com developer.mozilla.org mdn.dev interactive-examples.mdn.mozilla.net interactive-examples.mdn.allizom.net wikipedia.org upload.wikimedia.org https://mdn.github.io/shared-assets/ https://mdn.dev/ https://*.google-analytics.com https://*.googletagmanager.com www.gstatic.com; manifest-src 'self'; media-src 'self' archive.org videos.cdn.mozilla.net https://mdn.github.io/shared-assets/; child-src 'self'; worker-src 'self';
x-frame-options: DENY
origin-trial: AxVILwizhbMjxFeHOn1P3R8niO1RJY/smaK4B4d1rLzc1gTaxtXMSaTi+FoigYgCw40uFRDwFcEAeqDR+vVLOW4AAABfeyJvcmlnaW4iOiJodHRwczovL2RldmVsb3Blci5tb3ppbGxhLm9yZyIsImZlYXR1cmUiOiJQcml2YXRlQXR0cmlidXRpb25WMiIsImV4cGlyeSI6MTc0MjA3OTYwMH0=
x-cloud-trace-context: 173bb72b4ef83cb3c42c772dfe6048dd
date: Wed, 15 Oct 2025 21:01:17 GMT
server: Google Frontend
via: 1.1 google
vary: Accept-Encoding
content-encoding: gzip
x-cache: miss
CharacterData: replaceData() method - Web APIs | MDN
Toggle sidebar
CharacterData: replaceData() method
Baseline
Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The replaceData() method of the CharacterData interface removes a certain number of characters of the existing text in a given CharacterData node and replaces those characters with the text provided.
Syntax
js
replaceData(offset, count, data)
Parameters
Return value
None.
Exceptions
IndexSizeErrorDOMException-
Thrown if
offsetorcountis negative oroffsetis 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.replaceData(2, 4, "replaced");
Specifications
| Specification |
|---|
| DOM # dom-characterdata-replacedata |
Browser compatibility
Loading…