Jquery assiging class to th in a table

Question

I am trying to assign class to table headers  I am trying to read class names of td s and assign it to related th header  Any help would be appreciated     lt table  gt     lt tr gt       lt th gt hdrcol1 lt  th gt       lt th gt hdrcol2 lt  th gt       lt th gt hdrcol3 lt  th gt    lt  tr gt    lt tr gt       lt td class  title  gt col1 lt  td gt       lt td class  desc  gt col2 lt  td gt       lt td class  addclr  gt col3 lt  td gt    lt  tr gt    lt tr gt       lt td class  title  gt col11 lt  td gt       lt td class  desc  gt col22 lt  td gt       lt td class  addclr  gt co33 lt  td gt    lt  tr gt   lt  table gt      table tbody tr td   each function index        if    tr th   eq index  attr  class                     put this class on the current td           this  addClass    thead tr th   eq index  attr  class                 What I tried in fiddle id here

User · Accepted Answer

You had thead in your selector  but there is no thead in your table  Also you had your selectors backwards  As you mentioned above  you wanted to be adding the tr class to the th  not vice-versa  although your comment seems to contradict what you wrote up above       tr th   each function index       if    tr td   eq index  attr  class                      get the class of the td         var tdClass      tr td   eq index  attr  class               add it to this th           this  addClass tdClass                Fiddle

[jquery] Jquery assiging class to th in a table

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