angular-ngmodel

Ng-model does not update controller value

由 房东的猫 提交于 2019-11-26 03:47:00
问题 Probably silly question, but I have my html form with simple input and button: <input type=\"text\" ng-model=\"searchText\" /> <button ng-click=\"check()\">Check!</button> {{ searchText }} Then in the controller (template and controller are called from routeProvider): $scope.check = function () { console.log($scope.searchText); } Why do I see the view updated correctly but undefined in the console when clicking the button? Thanks! Update: Seems like I have actually solved that issue (before

ngModel Formatters and Parsers

由 无人久伴 提交于 2019-11-26 02:27:41
问题 I posted the same question in different form, but no one answered. I am not getting a clear picture of what the Formatters and Parsers do in angular js. By the definition, both the Formatters and Parsers look similar to me. Maybe I am wrong, as I am new to this angularjs. Formatters Definition Array of functions to execute, as a pipeline, whenever the model value changes. Each function is called, in turn, passing the value through to the next. Used to format / convert values for display in

What&#39;s the difference between ng-model and ng-bind

由 偶尔善良 提交于 2019-11-26 02:15:39
问题 I\'m currently learning AngularJS and am having difficulty understanding the difference between ng-bind and ng-model . Can anyone tell me how they differ and when one should be used over the other? 回答1: ng-bind has one-way data binding ($scope --> view). It has a shortcut {{ val }} which displays the scope value $scope.val inserted into html where val is a variable name. ng-model is intended to be put inside of form elements and has two-way data binding ($scope --> view and view --> $scope) e

Angular error: “Can&#39;t bind to &#39;ngModel&#39; since it isn&#39;t a known property of &#39;input&#39;”

由 ∥☆過路亽．° 提交于 2019-11-26 01:14:14
问题 I\'m using Angular 4 and I am getting an error in the console: Can\'t bind to \'ngModel\' since it isn\'t a known property of \'input\' How can I resolve this? 回答1: In order to use two-way data binding for form inputs you need to import the FormsModule package in your Angular module. import { FormsModule } from '@angular/forms'; @NgModule({ imports: [ FormsModule ] EDIT Since there are lot of duplicate questions with the same problem, I am enhancing this answer. There are two possible reasons

How to set a selected option of a dropdown list control using angular JS

由 隐身守侯 提交于 2019-11-25 21:20:05
I am using Angular JS and I need to set a selected option of a dropdown list control using angular JS. Forgive me if this is ridiculous but I am new with Angular JS Here is the dropdown list control of my html <select ng-required="item.id==8 && item.quantity > 0" name="posterVariants" ng-show="item.id==8" ng-model="item.selectedVariant" ng-change="calculateServicesSubTotal(item)" ng-options="v.name for v in variants | filter:{type:2}"> </select> After it gets populated I get <select ng-options="v.name for v in variants | filter:{type:2}" ng-change="calculateServicesSubTotal(item)" ng-model=
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