JSFiddle - React, Tailwind, and code Playground

HTML

<input type="button" id="theButton" onclick="removePassedInNumbers(arr)" value="Click here"/>
<p id="myNumber">
hey
</p>

JavaScript

var arr = ["1", "3" , "4"];
var arr2 = ["1", "2", "3", "4", "5", "6", "7", "8", "9"];

theButton.onclick = function removePassedInNumbers(arr){
	for(var i = 0; i < arr2.length; i++){
    if(arr2.indexOf(arr[i])){
    	arr2.splice(i, 1);
    }
  }
  	document.getElementById('myNumber').innerHTML = arr2;
}