IndexOf-1

JavaScript indexOf function will return index of specified searched string, it will return the position else it returns -1. See the code snippet:

<!DOCTYPE html>
<html>
 <head>
    <title>Welcome to LearnKode - A code learning platform</title>
</head>
  <body>
<button onclick="findPosition()">Find the position of string</button>
<p id="sample"></p>
<script>
function findPosition() {
    var str = "Hello world, welcome to learnKode.";
    var n = str.indexOf("welcome");
    document.getElementById("sample").innerHTML = n;
}
</script>
      </body>
</html>

Output