How to select specified node within Xpath node sets by index with Selenium

Question

I m writing a Selenium testcase  And here s the xpath expression I use to match all  Modify  buttons within a data table     img  title  Modify     My question is  how can I visit the matched node sets by index  I ve tried with     img  title  Modify   i    and     img  title  Modify  and position     i    But neither works    I also tried with XPath checker One firefox extension   There re totally 13 matches found  then I have totally no idea how am I gonna select one of them    Or does XPath support specified selection of nodes which are not under same parent node

User · Answer

There is no i in xpath is not entirely true  You can still use the count   to find the index   Consider the following page   x000D   x000D   lt html gt  x000D   x000D    lt head gt  x000D     lt title gt HTML Sample table lt  title gt  x000D    lt  head gt  x000D   x000D    lt style gt  x000D   table  td  th   x000D    border  1px solid black  x000D    font-size  15px  x000D    font-family  Trebuchet MS  sans-serif  x000D     x000D   table   x000D    border-collapse  collapse  x000D    width  100   x000D     x000D   x000D   th  td   x000D    text-align  left  x000D    padding  8px  x000D     x000D   x000D   tr nth-child even  background-color   f2f2f2  x000D   x000D   th   x000D    background-color   4CAF50  x000D    color  white  x000D     x000D    lt  style gt  x000D   x000D    lt body gt  x000D    lt table gt  x000D     lt thead gt  x000D      lt tr gt  x000D       lt th gt Heading 1 lt  th gt  x000D       lt th gt Heading 2 lt  th gt  x000D       lt th gt Heading 3 lt  th gt  x000D       lt th gt Heading 4 lt  th gt  x000D       lt th gt Heading 5 lt  th gt  x000D       lt th gt Heading 6 lt  th gt  x000D      lt  tr gt  x000D     lt  thead gt  x000D     lt tbody gt  x000D      lt tr gt  x000D       lt td gt Data row 1 col 1 lt  td gt  x000D       lt td gt Data row 1 col 2 lt  td gt  x000D       lt td gt Data row 1 col 3 lt  td gt  x000D       lt td gt Data row 1 col 4 lt  td gt  x000D       lt td gt Data row 1 col 5 lt  td gt  x000D       lt td gt Data row 1 col 6 lt  td gt  x000D      lt  tr gt  x000D      lt tr gt  x000D       lt td gt Data row 2 col 1 lt  td gt  x000D       lt td gt Data row 2 col 2 lt  td gt  x000D       lt td gt Data row 2 col 3 lt  td gt  x000D       lt td gt Data row 2 col 4 lt  td gt  x000D       lt td gt Data row 2 col 5 lt  td gt  x000D       lt td gt Data row 2 col 6 lt  td gt  x000D      lt  tr gt  x000D      lt tr gt  x000D       lt td gt Data row 3 col 1 lt  td gt  x000D       lt td gt Data row 3 col 2 lt  td gt  x000D       lt td gt Data row 3 col 3 lt  td gt  x000D       lt td gt Data row 3 col 4 lt  td gt  x000D       lt td gt Data row 3 col 5 lt  td gt  x000D       lt td gt Data row 3 col 6 lt  td gt  x000D      lt  tr gt  x000D      lt tr gt  x000D       lt td gt Data row 4 col 1 lt  td gt  x000D       lt td gt Data row 4 col 2 lt  td gt  x000D       lt td gt Data row 4 col 3 lt  td gt  x000D       lt td gt Data row 4 col 4 lt  td gt  x000D       lt td gt Data row 4 col 5 lt  td gt  x000D       lt td gt Data row 4 col 6 lt  td gt  x000D      lt  tr gt  x000D      lt tr gt  x000D       lt td gt Data row 5 col 1 lt  td gt  x000D       lt td gt Data row 5 col 2 lt  td gt  x000D       lt td gt Data row 5 col 3 lt  td gt  x000D       lt td gt Data row 5 col 4 lt  td gt  x000D       lt td gt Data row 5 col 5 lt  td gt  x000D       lt td gt Data row 5 col 6 lt  td gt  x000D      lt  tr gt  x000D      lt tr gt  x000D       lt td gt  lt button gt Modify lt  button gt  lt  td gt  x000D       lt td gt  lt button gt Modify lt  button gt  lt  td gt  x000D       lt td gt  lt button gt Modify lt  button gt  lt  td gt  x000D       lt td gt  lt button gt Modify lt  button gt  lt  td gt  x000D       lt td gt  lt button gt Modify lt  button gt  lt  td gt  x000D       lt td gt  lt button gt Modify lt  button gt  lt  td gt  x000D      lt  tr gt  x000D     lt  tbody gt  x000D    lt  table gt  x000D   x000D    lt  br gt  x000D   x000D    lt table gt  x000D     lt thead gt  x000D      lt tr gt  x000D       lt th gt Heading 7 lt  th gt  x000D       lt th gt Heading 8 lt  th gt  x000D       lt th gt Heading 9 lt  th gt  x000D       lt th gt Heading 10 lt  th gt  x000D       lt th gt Heading 11 lt  th gt  x000D       lt th gt Heading 12 lt  th gt  x000D      lt  tr gt  x000D     lt  thead gt  x000D     lt tbody gt  x000D      lt tr gt  x000D       lt td gt Data row 1 col 1 lt  td gt  x000D       lt td gt Data row 1 col 2 lt  td gt  x000D       lt td gt Data row 1 col 3 lt  td gt  x000D       lt td gt Data row 1 col 4 lt  td gt  x000D       lt td gt Data row 1 col 5 lt  td gt  x000D       lt td gt Data row 1 col 6 lt  td gt  x000D      lt  tr gt  x000D      lt tr gt  x000D       lt td gt Data row 2 col 1 lt  td gt  x000D       lt td gt Data row 2 col 2 lt  td gt  x000D       lt td gt Data row 2 col 3 lt  td gt  x000D       lt td gt Data row 2 col 4 lt  td gt  x000D       lt td gt Data row 2 col 5 lt  td gt  x000D       lt td gt Data row 2 col 6 lt  td gt  x000D      lt  tr gt  x000D      lt tr gt  x000D       lt td gt Data row 3 col 1 lt  td gt  x000D       lt td gt Data row 3 col 2 lt  td gt  x000D       lt td gt Data row 3 col 3 lt  td gt  x000D       lt td gt Data row 3 col 4 lt  td gt  x000D       lt td gt Data row 3 col 5 lt  td gt  x000D       lt td gt Data row 3 col 6 lt  td gt  x000D      lt  tr gt  x000D      lt tr gt  x000D       lt td gt Data row 4 col 1 lt  td gt  x000D       lt td gt Data row 4 col 2 lt  td gt  x000D       lt td gt Data row 4 col 3 lt  td gt  x000D       lt td gt Data row 4 col 4 lt  td gt  x000D       lt td gt Data row 4 col 5 lt  td gt  x000D       lt td gt Data row 4 col 6 lt  td gt  x000D      lt  tr gt  x000D      lt tr gt  x000D       lt td gt Data row 5 col 1 lt  td gt  x000D       lt td gt Data row 5 col 2 lt  td gt  x000D       lt td gt Data row 5 col 3 lt  td gt  x000D       lt td gt Data row 5 col 4 lt  td gt  x000D       lt td gt Data row 5 col 5 lt  td gt  x000D       lt td gt Data row 5 col 6 lt  td gt  x000D      lt  tr gt  x000D      lt tr gt  x000D       lt td gt  lt button gt Modify lt  button gt  lt  td gt  x000D       lt td gt  lt button gt Modify lt  button gt  lt  td gt  x000D       lt td gt  lt button gt Modify lt  button gt  lt  td gt  x000D       lt td gt  lt button gt Modify lt  button gt  lt  td gt  x000D       lt td gt  lt button gt Modify lt  button gt  lt  td gt  x000D       lt td gt  lt button gt Modify lt  button gt  lt  td gt  x000D      lt  tr gt  x000D     lt  tbody gt  x000D    lt  table gt  x000D   x000D    lt  body gt  x000D   lt  html gt  x000D   x000D   x000D    The page has 2 tables and has 6 columns each with unique column names and 6 rows with variable data  The last row has the Modify button in both the tables   Assuming that the user has to select the 4th Modify button from the first table based on the heading  Use the xpath   th    Heading 4   ancestor  thead following-sibling  tbody tr td count   tr th    Heading 4   preceding-sibling  th  1  button  The count   operator comes in handy in situations like these   Logic    Find the header for the Modify button using   th    Heading 4   Find the index of the header column using count   tr th    Heading 4   preceding-sibling  th  1      Note  Index starts at 0    Get the rows for the corresponding header using   th    Heading 4   ancestor  thead following-sibling  tbody tr td count   tr th    Heading 4   preceding-sibling  th  1  Get the Modify button from the extracted node list using   th    Heading 4   ancestor  thead following-sibling  tbody tr td count   tr th    Heading 4   preceding-sibling  th  1  button

User · Answer

This is a FAQ     someName 3    means  all someName elements in the document  that are the third  someName child of their parent -- there may be many such elements   What you want is exactly the 3rd someName element      someName  3    Explanation  the    has a higher precedence  priority  than     Remember always to put expressions of the type   someName in brackets when you need to specify the Nth node of their selected node-list

User · Answer

There is no i in XPath    Either you use literal numbers    img  title  Modify   1   Or you build the expression string dynamically     img  title  Modify     i      but keep in mind that dynamic XPath expressions do not work from within XSLT       Or does XPath support specified selection of nodes    which are not under same parent node    Yes     img  title  Modify    13     This   img  title  Modify   i  means  any  lt img gt  with a title of  Modify  and a child element named  lt i gt

User · Answer

Here is the solution for index variable  Let s say  you have found 5 elements with same locator and you would like to perform action on each element by providing index number  here  variable is used for index as  i    for int i 1  i lt  5  i          string xPathWithVariable       div  class  className             i            driver FindElement By XPath xPathWithVariable   Click        It takes XPath       div  class  className    1     div  class  className    2     div  class  className    3     div  class  className    4     div  class  className    5

User · Answer

attribute  value    index  to find target of element while your finding multiple matches in it

User · Answer

img  title  Modify   i    is short for   descendant-or-self  node   img  title  Modify   i    hence is returning the i th node under the same parent node   You want   descendant-or-self  img  title  Modify   i

[xpath] How to select specified node within Xpath node sets by index with Selenium?

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