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Angular: control that triggered ng-change

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[前端(javascript) 所属分类 前端(javascript) | 发布者 店小二03 | 时间 2018 | 作者 红领巾 ] 0人收藏点击收藏

I have an Angular form that has several input boxes that I want to validate, using a generic JS function but need to know the control that fired the event so certain rules can be applied.

(Simplified code)

<input ng-model="Field1" ..... ng-change="validateMe()" /> . . <input ng-model="FieldX" ..... ng-change="validateMe()" /> $scope.validateMe = function() { // get the text of the control that fired the event // do the validation // update something else if valid value given }

I know that ng-click has the $event , but how can I do it from an ng-change

You could have you own custom directive that will call your controller method on custom change event.

Markup <input ng-model="Field1" my-custom-change change-method="validateMe(event)"> <input ng-model="FieldX" my-custom-change change-method="validateMe(event)"> Directive

app.directive('myCustomChangeEvent', function(){ return { scope: { changeMethod = '&' }, link: function(scope, element, attrs){ element.on('change', function(event){ scope.changeMethod({event: event}); scope.$apply(); }); } } })

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tags: change,event,ng,function,scope,validateMe,input,model,custom,lt,gt,amp,control
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