angular number filter

app.html

<div class="container" ng-app="myApp" ng-controller="Main"> 
  <h3>Angular Format Number</h3>
  <ul class="list-unstyled">
  	<li>
      <span class="label label-success">{{ 12345 | nearestK}}</span>
    </li>
    <li>
      <span class="label label-success">{{ 145 | nearestK}}</span>
    </li>
    <li>
      <span class="label label-success">{{ 8999 | nearestK}}</span>
    </li>
    <li>
      <span class="label label-success">{{ 99999 | nearestK}}</span>
    </li>
    <li>
      <span class="label label-success">{{ 234234 | nearestK}}</span>
    </li>
    <li>
      <span class="label label-success">{{ 678678678 | nearestK}}</span>
    </li>
  </ul>

</div>

app.js

var myApp = angular.module('myApp', [])
.filter('nearestK', function() {
    return function(input) {
      if (typeof input === "undefined") {
        return;
      }
      else {
        input = input+'';    // make string
        if (input < 1000) {
          return input;		 // return the same number
        }
        if (input < 10000) { // place a comma between
          return input.charAt(0) + ',' + input.substring(1);
        }
        
        // divide and format
        return (input/1000).toFixed(input % 1000 != 0)+'k';
      }
    }
});
function Main($scope, $http){
  
}