Javascript angularjs将数组的索引传递到ng change函数中
我使用ng select填充我的选项,但我想传递所选索引,ng change函数中应该包含什么 如果用户选择了Javascript angularjs将数组的索引传递到ng change函数中,javascript,angularjs,Javascript,Angularjs,我使用ng select填充我的选项,但我想传递所选索引,ng change函数中应该包含什么 如果用户选择了b,我将得到1,这是数组的第二个索引 像这样更改代码 <select ng-options="a for a in alpa" ng-model="selected" ng-init="selected='a'" ng-change="detectChange(selected)"></select> $scope.detectChange = funct
b
,我将得到1
,这是数组的第二个索引
像这样更改代码
<select ng-options="a for a in alpa" ng-model="selected" ng-init="selected='a'" ng-change="detectChange(selected)"></select>
$scope.detectChange = function(selected_index){
var indexno = $scope.alpa.indexOf(selected_index );
console.log(indexno)
}
$scope.detectChange = function(selected_index){
var indexno = $scope.alpa.indexOf(selected_index );
console.log(indexno)
}