HTTP/2 200
content-type: text/html
x-guploader-uploadid: AAwnv3JINX8hjRSNpig1pBNejfg2fPSg4ugxpFISgxN7skOYEip8rbJuyR2MSuEinEI0hca3
cache-control: public, max-age=3600
expires: Wed, 08 Oct 2025 21:00:51 GMT
last-modified: Wed, 08 Oct 2025 01:14:01 GMT
etag: W/"e512db46a0c1de4200e59a5ce9666f2e"
x-goog-generation: 1759886041437916
x-goog-metageneration: 1
x-goog-stored-content-encoding: identity
x-goog-stored-content-length: 167955
x-goog-meta-goog-reserved-file-mtime: 1759884301
x-goog-hash: crc32c=wTwOJw==, md5=5RLbRqDB3kIA5Zpc6WZvLg==
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: 6d99e77281c99f423dc95fec51dd25ff
date: Wed, 08 Oct 2025 20:00:51 GMT
server: Google Frontend
via: 1.1 google
vary: Accept-Encoding
content-encoding: gzip
x-cache: miss
String.prototype.link() - JavaScript | MDN
url
-
<a>
要素の href
属性を指定する任意の文字列です。これは妥当な(相対または絶対)URL で、すべての &
の文字を &
でエスケープしたものです。
開始タグ <a href="url">
(url
の中の二重引用符は "
に置き換えられます)、str
のテキストが来て、終了タグ </a>
が来る文字列です。
以下のコードは、HTML 文字列を作成し、それで文書の本体を置き換えます。
const contentString = "MDN Web Docs";
document.body.innerHTML = contentString.link("https://developer.mozilla.org/");
これにより、次の HTML が生成されます。
<a href="https://developer.mozilla.org/">MDN Web Docs</a>
link(
を使用して HTML テキストを直接作成する代わりに、document.createElement()
などの DOM API を使用すべきです。例を示します。
const contentString = "MDN Web Docs";
const elem = document.createElement("a");
elem.href = "https://developer.mozilla.org/";
elem.innerText = contentString;
document.body.appendChild(elem);