knockout js filter array

Knockout js Filter an observable Array


Array filter is availing an observable-array and returns true if array of items are match otherwise returns false. 

var filterSelections = ko.computed(function (Text) {
           try {
               var filterText = Text.toLowerCase();         
               if (!filterText) {
                   return selectionList();
               }
               else {
                   if (selectionList().length > 0) {
                       return ko.utils.arrayFilter(selectionList(), function (item) {
                           if (item.SelectionLabel.toLowerCase().indexOf(filterText) > -1 || item.SelectionDescription.toLowerCase().indexOf(filterText) > -1) {
                               return true;
                           }
                           else {
                              return false;
                           }
                       });
                   }
               }
           }
           catch (ex) {
               logExceptions(ex);
           }
 });

It might help you for more detail 
knockoutjs filter observable array
ANIL SINGH

Anil Singh is an author, tech blogger, and software programmer. Book writing, tech blogging is something do extra and Anil love doing it. For more detail, kindly refer to this link..

My Tech Blog - https://www.code-sample.com/
My Books - Book 1 and Book 2

www.code-sample.com/. Powered by Blogger.
^