javascript - unable to tigger function through "onchange" on file input sometime -

javascript - unable to tigger function through "onchange" on file input sometime -

unable tigger function through "onchange" on file input sometime

<input type="file" id="{{doc_type}}" file-model="fileobj['{{doc_type.id_type}}']" onchange="angular.element(this).scope().uploadthisfile(id)" />

javascript html angularjs