Multiple choice technology web technology

Which character is used to denote a variable

  1. a. $

  2. b. #

  3. c. @

  4. d. &
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A Correct answer
Explanation

In XPath, variables are denoted using the $ symbol prefix, such as $varName. This is a standard convention across many programming languages and XPath specifications. The # symbol typically indicates comments or IDs, @ is used for attributes, and & is used for entity references in XML, none of which are used for variable notation.

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