JSFiddle - React, Tailwind, and code Playground
HTML
<body>
<script type="text/javascript">
function run()
{
var a = Number(this.a.value);
var b = Number(this.b.value);
var c = Number(this.c.value);
document.body.innerHTML += "sasay lalka" + a + b + c;
}
</script>
<form onsubmit="run(); return false;">
<input type="number" name="a" id="a" size="20"/> a <br/>
<input type="number" name="b" id="b" size="20"/> b <br/>
<input type="number" name="c" id="c" size="20"/> c <br/>
<input type="submit" value="Submit"/>
</form>
</body>