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Deprecated
This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

The HTMLContentElement.select property reflects the select attribute. It is a DOMString containing a space-separated list of CSS selectors that select the content to insert in place of the <content> element.

Syntax

object.select = "CSSselector CSSselector ...";

Example

// Select <h1> elements and elements with class="error"
myContentObject.select = "h1 .error";

Specifications

This feature is no longer defined by any standards.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
select
DeprecatedNon-standard
Chrome Full support 35Edge ? Firefox No support 28 — 59
Disabled
No support 28 — 59
Disabled
Disabled From version 28 until version 59 (exclusive): this feature is behind the dom.webcomponents.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
IE No support NoOpera Full support 26Safari No support NoWebView Android Full support 37Chrome Android Full support 37Firefox Android No support 28 — 59
Disabled
No support 28 — 59
Disabled
Disabled From version 28 until version 59 (exclusive): this feature is behind the dom.webcomponents.enabled preference (needs to be set to true). To change preferences in Firefox, visit about:config.
Opera Android Full support 26Safari iOS ? Samsung Internet Android Full support Yes

Legend

Full support  
Full support
No support  
No support
Compatibility unknown  
Compatibility unknown
Non-standard. Expect poor cross-browser support.
Non-standard. Expect poor cross-browser support.
Deprecated. Not for use in new websites.
Deprecated. Not for use in new websites.
User must explicitly enable this feature.
User must explicitly enable this feature.

See also

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最終更新者: mdnwebdocs-bot,