dianping/cat · error · Error

Syntax error, unrecognized expression:

Error message

Syntax error, unrecognized expression: 

What it means

Error "Syntax error, unrecognized expression: " thrown in dianping/cat.

Source

Thrown at cat-home/src/main/webapp/js/jquery-1.7.1.js:4180

		// Improper expression
		if ( expr === old ) {
			if ( anyFound == null ) {
				Sizzle.error( expr );

			} else {
				break;
			}
		}

		old = expr;
	}

	return curLoop;
};

Sizzle.error = function( msg ) {
	throw new Error( "Syntax error, unrecognized expression: " + msg );
};

/**
 * Utility function for retreiving the text value of an array of DOM nodes
 * @param {Array|Element} elem
 */
var getText = Sizzle.getText = function( elem ) {
    var i, node,
		nodeType = elem.nodeType,
		ret = "";

	if ( nodeType ) {
		if ( nodeType === 1 || nodeType === 9 ) {
			// Use textContent || innerText for elements
			if ( typeof elem.textContent === 'string' ) {
				return elem.textContent;
			} else if ( typeof elem.innerText === 'string' ) {
				// Replace IE's carriage returns

View on GitHub (pinned to e815e74d4c)

Solutions

1. Check the selector string for typos or unsupported pseudo-selectors.
2. Escape special characters in the selector with \\.
3. Upgrade jQuery if the selector uses syntax not supported by this version.

When it happens

Trigger: Triggered when a jQuery 1.7.1/Sizzle selector string is malformed, e.g. unclosed attribute brackets or unsupported pseudo-selectors passed to $().

Common situations: See trigger scenarios.

AI-assisted analysis of dianping/cat@e815e74d4c (2026-08-14). Data as JSON: /api/errors/b9d4e2191e2c7187. Report an issue: GitHub.