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CSS Base

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              %table
  %tr
    %th Mon
    %th Tue
    %th Wed
    %th Thu
    %th Fri
    %th Sat
    %th Sun
  %tr
    %td 1
    %td 2
    %td 3
    %td 4
    %td 5
    %td 6
    %td 7
  %tr
    %td 8
    %td 9
    %td 10
    %td 11
    %td 12
    %td 13
    %td 14
  %tr
    %td 15
    %td 16
    %td 17
    %td 18
    %td 19
    %td 20
    %td 21
  %tr
    %td 23
    %td 24
    %td 25
    %td 26
    %td 27
    %td 28
    %td 29
  %tr
    %td 30
    
%script{src: "//ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"}
            
          
!
            
              body
  background-color: #eee
  padding: 2em 0

table
  background-color: #fff
  border-collapse: collapse
  margin-left: auto
  margin-right: auto
  width: 500px

th, td
  border: 1px solid #ccc
  font-family: Helvetica, sans-serif
  width: 14.28%

th
  font-size: 12px
  line-height: 20px

td
  cursor: default
  line-height: 4
  text-align: center
  &.hovering
    background-color: rgba(254, 171, 41, 0.2)
  &.selected
    background-color: rgba(254, 171, 41, 0.4)

            
          
!
            
              $(function() {
  var clickCount = 0;
  
  // add an index to each cell
  $('td').each(function(i) {
    $(this).attr('data-num', i);    
  })
  
  // select cell clicked on
  .on('click', function() {
    if(clickCount < 2) {
      $(this).addClass('selected');
      // make selection on second click
      if(clickCount == 1) {
        $('.hovering').addClass('selected');
      }
      clickCount++;   
    }
    else {
      // cancel previous selection and start again
      clickCount = 1;
      $('.selected').removeClass('selected');
      $('td').removeClass('hovering');
      $(this).addClass('selected');
    }
  });
  
  // hover highlight selection
  $('table').delegate('td', 'mouseenter', function() {
    if($('.selected').length == 1) {
      var selectedIndex = parseInt($('.selected').attr('data-num')),
          currentHoverIndex = parseInt($(this).attr('data-num'));  

      $('td').removeClass('hovering');
      
      // highlight after first selection 
      if(selectedIndex < currentHoverIndex) {
        $('td').slice(selectedIndex+1, currentHoverIndex+1).addClass('hovering');
      }
      // highlight before first selection
      else if(currentHoverIndex < selectedIndex) {
        $('td').slice(currentHoverIndex, selectedIndex).addClass('hovering');
      }      
    }
  });
  
});
            
          
!
999px
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