JavaScript toLocaleLowerCase() function is used to convert string to lowercase string. See the code snippet:
<!DOCTYPE html>
<html>
<head>
<title>Welcome to LearnKode - A code learning platform</title>
</head>
<body>
<button onclick="convertToLowercase()">Show the lowercase letters</button>
<p id="sample"></p>
<script>
function convertToLowercase() {
var str = "I LOVE LEARNKODE";
var result = str.toLocaleLowerCase();
document.getElementById("sample").innerHTML = result;
}
</script>
</body>
</html>