JSFiddle - React, Tailwind, and code Playground
HTML
<form>
<input id="input"> </input>
<button id="button"> Click me </button>
</form>
<script>
var input = document.getElementById("input")
var button = document.getElementById("button");
var myArray = [];
button.onclick = function alerted (){
myArray.unshift(input.value);
alert(myArray);
return false;
};
</script>