JSFiddle - React, Tailwind, and code Playground

HTML

<div ng-app ng-controller="formCtrl">
<form name="myForm" ng-submit="onSubmit()">
   <input type="number"  onkeydown="javascript: return (event.keyCode == 69 || event.keyCode == 189 || event.keyCode ==  187)? false : true" />
   
</form>
</div>

JavaScript

function formCtrl($scope){
    
}