JSFiddle - React, Tailwind, and code Playground
HTML
<div ng-app="myApp" ng-controller="myCtrl as up">
<input type="file" ng-model="up.file"
name="file" ngf-pattern="'image/*'" accept="image/*" ngf-max-size="4MB"/>
<button ng-click="upload()">upload</button>
</div>
JavaScript
var myApp = angular.module('myApp', []);
myApp.controller('myCtrl', function($scope) {
$scope.upload = function(){
alert('Removing file');
debugger;
$scope.up.file = "";
};
});