CSS: escape() static method
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.
TheCSS.escape() static method returns astring containing the escaped string passed as parameter, mostly foruse as part of a CSS selector.
Syntax
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CSS.escape(str)Parameters
strThe string to be escaped.
Return value
The escaped string.
Examples
Basic results
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CSS.escape(".foo#bar"); // "\\.foo\\#bar"CSS.escape("()[]{}"); // "\\(\\)\\[\\]\\{\\}"CSS.escape('--a'); // "--a"CSS.escape(0); // "\\30 ", the Unicode code point of '0' is 30CSS.escape('\0'); // "\ufffd", the Unicode REPLACEMENT CHARACTERIn context uses
To escape a string for use as part of a selector, theescape() method canbe used:
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const element = document.querySelector(`#${CSS.escape(id)} > img`);Theescape() method can also be used for escaping strings, although itescapes characters that don't strictly need to be escaped:
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const element = document.querySelector(`a[href="#${CSS.escape(fragment)}"]`);Specifications
| Specification |
|---|
| CSS Object Model (CSSOM) # the-css.escape()-method |
Browser compatibility
See also
- The
CSSinterface where this static method resides. - A polyfill for the CSS.escape