How to get a index value from foreach loop in jstl

Question

I have a value set in the request object like the following   String   categoriesList null  categoriesList   engine getCategoryNamesArray    request setAttribute  categoriesList   categoriesList      and this is how I iterate in jsp page   lt   if request getAttribute  categoriesList      null      gt   lt c forEach var  categoryName  items    categoriesList   gt      lt li gt  lt a onclick  getCategoryIndex    href     gt   categoryName  lt  a gt  lt  li gt   lt  c forEach gt   lt      gt    How do I get index of each element and pass it to JavaScript function onclick  getCategoryIndex

User · Answer

lt a onclick  getCategoryIndex   myIndex index    href     gt   categoryName  lt  a gt    above line was giving me an error  So I wrote down in below way which is working fine for me    lt a onclick  getCategoryIndex   lt c out value    myIndex index    gt     href     gt   categoryName  lt  a gt    Maybe someone else might get same error  Look at this guys

User · Answer

use varStatus to get the index  c forEach varStatus properties    lt c forEach var  categoryName  items    categoriesList   varStatus  loop  gt       lt li gt  lt a onclick  getCategoryIndex   loop index    href     gt   categoryName  lt  a gt  lt  li gt   lt  c forEach gt

User · Answer

I face Similar problem now I understand we have some more option   varStatus  loop   Here will be loop will variable which will hold the index of lop    It can use for use to read for Zeor base index or 1 one base index      loop count   it will give 1 starting base index      loop index  it will give 0 base index as normal Index of array  start from 0   For Example      lt c forEach var  currentImage  items    cityBannerImages   varStatus  loop  gt   lt picture gt      lt source srcset    currentImage   media   min-width  1000px   gt  lt  source gt      lt source srcset    cityMobileImages loop count    media   min-width 600px   gt  lt  source gt      lt img srcset    cityMobileImages loop count    alt    gt  lt  img gt   lt  picture gt   lt  c forEach gt    For more Info please refer this link

User · Answer

This works for me    lt c forEach var  i  begin  1970  end  2000  gt       lt option value    2000- i-1970    gt   2000- i-1970          lt  option gt   lt  c forEach gt

User · Answer

You can use the varStatus attribute like this -   lt c forEach var  categoryName  items    categoriesList   varStatus  myIndex  gt    myIndex index will give you the index  Here myIndex is a LoopTagStatus object   Hence  you can send that to your javascript method like this -   lt a onclick  getCategoryIndex   myIndex index    href     gt   categoryName  lt  a gt

[java] How to get a index value from foreach loop in jstl

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