I am interested in using ng-repeat with filter, and I want to know how I can track the number of elements that are being filtered out. My goal is to implement a search bar that applies the filter, while also displaying the count of hidden elements (for example, something like Showing 6 of 10 results).
Take a look at this link http://jsbin.com/xuyuy/1/edit
If you want to filter data in your repeater, you can create a new array called personsfiltered
ng-repeat="person in personsfilterd = (persons | filter : search )
Then, you can display the length of both the original array and the filtered array:
Showing {{personsfilterd.length}} of {{persons.length }} results
Here is the complete code snippet:
var app = angular.module('app', []);
app.controller('fCtrl', function($scope) {
$scope.persons = [
'Mike', 'Tom', 'Tim', 'Jim', 'Ken'
]
});
<div ng-app="app">
<div ng-controller="fCtrl">
<input type="text" ng-model = "search"> Showing {{personsfilterd.length}} of {{persons.length }} results
<li ng-repeat="person in personsfilterd = (persons | filter : search )">{{person}}</li>
</div>
</div>
Initially, the ngRepeat includes variables like $index, $first, $middle, and $last to determine the current position within the loop. It seems like your focus is on the $last variable. The uncertainty lies in whether it will reflect the original count or the count after filtering.
UPDATE:
To access the count of the original values from your controller, set varX.length and utilize it in your template (HTML code). Assuming that $last indicates the final count plus one (due to being 0-based), you can determine the count after applying filters.
After some searching, I stumbled upon the solution here. It turns out that storing the filtered data in a new variable within the ng-repeat is key. While there may be potential memory concerns, this wasn't an issue for me.
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