Can a loop be simplified in AngularJs to easily determine the number of textarea inputs a user can fill?
<input type="number" class="form-control" min="1" max="4" value="1">
<div ng-repeat="...">
<div class="form-group">
<textarea class="form-control" rows="3"></textarea>
</div>
</div>
</div>
Is there a straightforward way to iterate through a set number of times, like a for loop in AngularJs ng-repeat or an alternative method?
const app = angular.module("demo", [])
.controller("DemoCtrl", function($scope) {
$scope.itemCount = 1;
$scope.items = [];
$scope.onItemCountChanged = function() {
// Check and update items as needed
if ($scope.itemCount < $scope.items.length) {
$scope.items = $scope.items.slice(0, $scope.itemCount - $scope.items.length);
return;
};
// Add items if needed
if ($scope.itemCount > $scope.items.length) {
var numToAdd = Math.abs($scope.items.length - $scope.itemCount);
for(var i = 0; i < numToAdd; i++) {
$scope.items.push({ text: "item text" });
}
}
};
});
Here is the corresponding view:
<div ng-app="demo" ng-controller="DemoCtrl">
<input type="number" min="1" max="4" ng-model="itemCount" ng-change="onItemCountChanged()" />
<div ng-repeat="item in items track by $index">
<textarea ng-model="item.text"></textarea>
</div>
</div>
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