AngularJS ngRepeat: how to differentiate even/odd elements? -

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I am new to angular and am trying to do the following: 

  Lt; Tr data-ng-repeat = "elements in horrible things" & gt; & Lt; div ng- if = "$ index% 2 == 0" & gt; & Lt; Td square = "even here" & gt; & Lt; A href = "#" & gt; {{Element}} & lt; / A & gt; & Lt; / TD & gt; & Lt; / Div & gt; & Lt; div ng-if = "$ index% 2! = 0" & gt; & Lt; Td square = "weird" & gt; & Lt; A href = "#" & gt; {{Element}} & lt; / A & gt; & Lt; / TD & gt; & Lt; / Div & gt; & Lt; / TR & gt;   
 For the above code, both  ng-if  is passing. Try the  $ even  and  where I'm making a mistake   
 
 property.  
 Like:  
  & lt; Tr data-ng-repeat = "elements in horrible things" & gt; & Lt; div ng-if = "$ even" & gt; & Lt; Td square = "even here" & gt; & Lt; A href = "#" & gt; {{Element}} & lt; / A & gt; & Lt; / TD & gt; & Lt; / Div & gt; & Lt; div ng-if = "$ odd" & gt; & Lt; Td square = "weird" & gt; & Lt; A href = "#" & gt; {{Element}} & lt; / A & gt; & Lt; / TD & gt; & Lt; / Div & gt; & Lt; / TR & gt;

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