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.
- 콘텐츠 카테고리 Transparent content
- 허용되는 콘텐츠 Flow content
- 태그 생략 None, both the starting and ending tag are mandatory.
- 허용되는 부모 요소들Any element that accepts flow content
- DOM 인터페이스
This element includes the global attributes.
- A comma-separated list of selectors. These have the same syntax as CSS selectors. They select the content to insert in place of the
Here is a simple example of using the
<content> element. It is an HTML file with everything needed in it.
참고: For this code to work, the browser you display it in must support Web Components. See Enabling Web Components in Firefox.
<html> <head></head> <body> <!-- The original content accessed by <content> --> <div> <h4>My Content Heading</h4> <p>My content text</p> </div> <script> // Get the <div> above. var myContent = document.querySelector('div'); // Create a shadow DOM on the <div> var shadowroot = myContent.createShadowRoot(); // Insert into the shadow DOM a new heading and // part of the original content: the <p> tag. shadowroot.innerHTML = '<h2>Inserted Heading</h2> <content select="p"></content>'; </script> </body> </html>
If you display this in a web browser it should look like the following.
The definition of 'content' in that specification.
|Feature||Chrome||Firefox (Gecko)||Internet Explorer||Opera||Safari (WebKit)|
|Basic support||35||28 (28) ||No support||26||No support|
|Feature||Android||Firefox Mobile (Gecko)||IE Phone||Opera Mobile||Safari Mobile|
|Basic support||37||28.0 (28) ||No support||?||?|
 If Shadow DOM is not enabled in Firefox,
<content> elements will behave like
HTMLUnknownElement. Shadow DOM was first implemented in Firefox 33 and is behind a preference,
dom.webcomponents.enabled, which is disabled by default.