ng-disable何时触发？

Question

例如，我有：

<button ng-disabled="!isSomethingValid() || loading || disabled" ... class="btn btn-primary">

但是，ng-disable属性计算其表达式的条件是什么？

Answer 1

ng-disabled用于当值返回true时禁用DOM元素。

    <button ng-disabled="mySwitch">Click Me!</button>
    <button type = "text" ng-click = "fnDemo();">Button</button>

$scope.mySwitch = true;

$scope.fnDemo = function(){
   $scope.mySwitch = !$scope.mySwitch; 
};