XPath Interview Questions
- 1) Explain what is XPath?
- 2) Explain XPath Path Expressions?
- 3) Where XPath is used?
- 4) Enlist few Expression in XPath?
- 5) What are the different XPath Axes?
- 6) What is an atomic value in XPath?
- 7) What is a node in XPath? List its types.
- 8) List major features of XPath?
- 9) What is an attribute in xpath?
- 10) Explain xpath operator?
- 11) How to use multiple conditions in xpath?
- 12) How to compare a text in XPath?
- 13) Explain xpath predicate?
- 14) How to get preceding sibling in xpath?
- 15) How to ignore whitespaces in xpath?
Below are the list of Best XPath Interview Questions and Answers
XPath stands for XML Path Language. It is defined as a query language for selecting nodes from an XML document. It is used to find values such as strings, numbers, or Boolean values from the content of an XML document. It is generally used to navigate through elements and attributes in an XML document. It adopts path like syntax to identify and navigate nodes in an XML document. It uses syntax for defining parts of an XML document It contains a library of standard functions. It follows the W3C(World Wide Web Consortium) recommendation.
An XPath Axes defines the node-set relative to the current (context) node. It is used to locate the node that is relative to the node on that tree.
Different XPath Axes are listed below:
|S. N.||Axis name||Description|
|1||ancestor||This contains all the elements like grandparents, parents’ ancestors of the contextnode. In simple terms, this axis contains the root of the node.|
|2||ancestor-or-self||This refers to all the ancestor’s nodes and the root node itself (context node).|
|3||child||It refers to the child of the current node in the document during the traverse.|
|4||attribute||Refers to attributes of the current node in the specified document.|
|5||descendant||This refers to the descendants of the context node in the XML document. Namespaces or attributes are not included here.|
|6||descendant-or-self||This refers to the descendants of the context node in the XML document and the context node itself.|
|7||following||This contains all the nodes after the context node in a specific order but excluding the context node's descendants.|
|8||following-sibling||It contains the next subsequent nodes siblings followed by the root node.|
|9||self||Specifies their present node in the tree.|
|10||parent||It contains only one parent of the current node.|
|11||namespace||It refers to the namespace node of the root node with xmlns. And the axis is empty only when the context node is an element.|
|12||preceding||It contains all the nodes that come before the current tags(node).|
|13||preceding-sibling||The node traversed by the current context node to a previous sibling tag.|
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