Element: id property
The id
property of the Element
interface
represents the element's identifier, reflecting the
id
global attribute.
If the id
value is not the empty string, it must be unique in a document.
The id
is often used with getElementById()
to retrieve a particular element. Another common case is to use an
element's ID as a selector when styling
the document with CSS.
Note: Identifiers are case-sensitive, but you should avoid creating IDs that differ only in the capitalization.
Value
A string.
Specifications
Specification |
---|
DOM Standard # ref-for-dom-element-id① |
Browser compatibility
BCD tables only load in the browser
See also
- The DOM id global attribute.