JSFiddle - React, Tailwind, and code Playground

by egoing

HTML

<script>
function sum(num1, num2) {
    return num1 + num2;
}
</script>
<form>
    <input type="button" onclick="alert(sum(1,1))" value="1+1" />
    <br />
    <input type="button" onclick="alert(sum(1,2))" value="1+2" />
    <br />
    <input type="button" onclick="alert(sum(1,3))" value="1+3" />
    <br />
    <br />
    <br />
    <input type="text" onchange="alert(sum(10,Number(this.value)))" />
    +10
</form>