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Editorial Team
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Asked: 2026-05-21T03:13:37+00:00

I’ve tried searching all over the place and even read through some chunks of

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I’ve tried searching all over the place and even read through some chunks of the ECMA specification, and I cannot for the life of me find anything to explain what the at symbol (@) does in JavaScript. Can anyone out there please help me understand this little guy?

Doc I was reading : http://www.ecma-international.org/publications/files/ECMA-ST/ECMA-262.pdf

Thanks for any help.

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  1. Editorial Team

    You won’t find it in ECMA-262. You want ECMA-357.

    § 11.1.1 Attribute Identifiers

    An AttributeIdentifier is used to identify the name of an XML attribute. It evaluates to a value of type AttributeName. The preceding “@” character distinguishes a XML attribute from a XML element with the same name. This AttributeIdentifier syntax was chosen for consistency with the familiar XPath syntax.

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