StringOperator-2

+= string operator concatenate two strings

<!DOCTYPE html>
<html>
 <head>
 <title>Welcome to LearnKode - A code learning platform</title>
</head>
  <body>
<p>The assignment operator += can concatenate strings.</p>
<p id="sample"></p>
<script>
txt1 = "What a";
txt1 += " good day";
document.getElementById("sample").innerHTML = txt1;
</script>
      </body>
</html>

Output