JSFiddle - React, Tailwind, and code Playground

by Rufuus06

HTML

<!DOCTYPE html>
<html lang="en">

  <head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Concat()</title>
  </head>
  
  <body>
    
    <h2>Concat():</h2>
    <p>Se encarga de concatenar dos Strings.</p>
  
    <button onclick="myFunction()">
    Unir
    </button>
  
    <p id="exp1">Hola</p>
    <p id="exp2">Mundo!</p>
    <p id="exp"></p>
    
  </body>
  
</html>

JavaScript

function myFunction()
{
	var txt1 = document.getElementById("exp1").innerHTML;
  var txt2 = document.getElementById("exp2").innerHTML;
  var txt3 = txt1.concat(" ", txt2);
  document.getElementById("exp").innerHTML = txt3;
}