AngularJS Example:

HTML

<link rel="stylesheet" href="http://twitter.github.com/bootstrap/assets/css/bootstrap.css">
<div ng-app>
  <h2>Todo</h2>
  <div ng-controller="TodoCtrl">
    <div ng-repeat="detail in details">
      <input type="text" ng-model="telephone[$index]" />
    </div>
  </div>
</div>

CSS

.done-true {
  text-decoration: line-through;
  color: grey;
}

JavaScript

function TodoCtrl($scope) {
  $scope.details = ["test","test","test","test","test","test"];
  $scope.telephone = ["phone1","phoneX",2,3,4,5,6];
}