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ToLocaleUpperrCase() String in JavaScript

How to convert the string to uppercase letters in JavaScript?

By using toLocaleUpperCase() we can convert the string to uppercase letters.

<p>Click the below button to Convert.</p>
<input type="button" value="Convert" onclick="Function()" />
<p id="myId"></p>

<script>
    function Function() {
        var A = "techfunda";
        var r = A.toLocaleUpperCase();
        document.getElementById("myId").innerHTML = r;
    }
</script>

In the above code snippet we have given Id to the second <p> element in the HTML code, there is a string in lowercase letters with variable A in the<script>code. We need to convert the lowercase letters in a string to the uppercase letters, for that we use string method toLocaleUpperCase(). Onclick of the button "Convert" fires the Function() in the <script> code at the same time toLocaleUpperCase() method converts the lowercase letters to the uppercase letters and gives the output.

OUTPUT