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這工作正常,但我不能初始化var1爲「」或null。我想要選擇「全部」項目,但它似乎沒有通過ng值註冊爲「全部」。一旦價值被點擊,它似乎工作。AngularJS - 輸入收音機默認爲空或空白
angular.module('myApp', []);
angular.module('myApp').controller('test_controller1', function($scope) {
$scope.colors = [ "red", "green", "blue" ];
$scope.var1 = "";
});
...
<input type="radio" ng-model="var1" ng-value="" id="all"> <label for="all">All</label>
<input type="radio" ng-model="var1" ng-value="'red'" id="red_id"> <label for="red_id">red</label>
<input type="radio" ng-model="var1" ng-value="'green'" id="green_id"> <label for="green_id">green</label>
<input type="radio" ng-model="var1" ng-value="'blue'" id="blue_id"> <label for="blue_id">blue</label>
https://plnkr.co/edit/UyaKv2UFpWOyoMvpuDE9?p=preview