HTTP/2 301
server: nginx
date: Wed, 23 Jul 2025 11:02:07 GMT
content-type: text/html
content-length: 162
location: https://developer.mozilla.org/en-US/docs/Web/API/HTMLOListElement/start
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: ABgVH88tklfD_6l-TO2O9iDH2whhPiompw-0AdTXuqrU_zCLntsXS02Rf-SpmzrCipH1Rp-d
cache-control: public, max-age=3600
expires: Wed, 23 Jul 2025 12:02:07 GMT
last-modified: Wed, 23 Jul 2025 00:45:35 GMT
etag: W/"901650825d8d331d4a480441b63e8b4f"
x-goog-generation: 1753231535843068
x-goog-metageneration: 1
x-goog-stored-content-encoding: identity
x-goog-stored-content-length: 68265
x-goog-meta-goog-reserved-file-mtime: 1753230353
x-goog-hash: crc32c=fbmjzA==, md5=kBZQgl2NMx1KSARBtj6LTw==
x-goog-storage-class: STANDARD
accept-ranges: none
alt-svc: h3=":443"; ma=2592000,h3-29=":443"; ma=2592000
alt-svc: clear
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-EehWlTYp7Bqy57gDeQttaWKp0ukTTEUKGP44h8GVeik=' 'sha256-XNBp89FG76amD8BqrJzyflxOF9PaWPqPqvJfKZPCv7M='; 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-EehWlTYp7Bqy57gDeQttaWKp0ukTTEUKGP44h8GVeik=' 'sha256-XNBp89FG76amD8BqrJzyflxOF9PaWPqPqvJfKZPCv7M='; 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: df7f20a44053e3b83378964bd9a21442
date: Wed, 23 Jul 2025 11:02:07 GMT
server: Google Frontend
via: 1.1 google
vary: Accept-Encoding
content-encoding: gzip
x-cache: miss
HTMLOListElement: start property - Web APIs | MDN
HTMLOListElement: start property Baseline Widely available
The start
property of the HTMLOListElement
interface indicates starting value of the ordered list, with default value of 1.
It reflects the start
attribute of the <ol>
element.
Note:
The start
property value is independent of the HTMLOListElement.type
property; it is always numeric, even when type is letters or Roman numerals.
<ol id="order-list">
<li>Fee</li>
<li>Fi</li>
<li>Fo</li>
<li>Fum</li>
</ol>
const olElement = document.querySelector("#order-list");
console.log(olElement.start); // Output: "1"
olElement.start = "11";
console.log(olElement.start); // Output: "11"