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Operator
Reserved syntax consisting of punctuation or alphanumeric characters that carrying out built-in functionality.  For example, in JavaScript the addition operator ("+") adds numbers together and concatenates strings, whereas the"not" operator ("!") negates an expression — for example making a true statement return false.

Web technologies contain long lists of jargon and abbreviations that are used in documentation and coding. This glossary provides definitions of words and abbreviations you need to know to successfully understand and build for the web.

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