CodePen

HTML

            
              
            
          
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CSS

            
              
            
          
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JavaScript

            
              /* save state of options (upon leaving the current page) */
saveState: function($optionsMenu) {
    $optionsMenu.find('input')
        .each(function(index) {
            options[index] = $(this).is(':checked');
        });
}
            
          
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