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How to convert first letter of a string to upper case using jQuery ?

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The task is to capitalize the first letter of string without using toUpperCase() method with the help of jQuery. There are two approaches that are discussed below:

Approach 1: In this example, the css() method is used to set the text-transform property value to capitalize.

Example:

html

<!DOCTYPE HTML>
<html>
 
<head>
    <title>
        How to convert first letter of a
        string to upper case using jQuery?
    </title>
 
    <script src=
    </script>
</head>
 
<body style="text-align:center;">
 
    <h1 style="color:green;">
        GeeksForGeeks
    </h1>
 
    <p>
        Click on the button to
        perform the operation.
    </p>
 
    Type Here: <input id="input" />
    <br><br>
 
    <button onclick="GFG_Fun()">
        Click Here
    </button>
 
    <p id="GFG"></p>
 
    <script>
        let geeks = document.getElementById('GFG');
 
        function GFG_Fun() {
            $('#input').css('textTransform', 'capitalize');
            geeks.innerHTML = "Text is capitalized";
        }
    </script>
</body>
 
</html>

                    

Output:

Approach 2: In this example, we are using CSS property to perform the operation. A new ID has been added to the element which sets the property

text-transform to capitalize.

Example:

html

<!DOCTYPE HTML>
<html>
 
<head>
    <title>
        How to convert first letter of a
        string to upper case using jQuery?
    </title>
 
    <script src=
    </script>
 
    <style>
        #capital {
            text-transform: capitalize;
        }
    </style>
</head>
 
<body style="text-align:center;">
 
    <h1 style="color:green;">
        GeeksForGeeks
    </h1>
 
    <p>
        Click on the button to
        perform the operation.
    </p>
 
    Type Here: <input id="input" />
    <br><br>
 
    <button onclick="GFG_Fun()">
        Click Here
    </button>
 
    <p id="GFG"></p>
 
    <script>
        let geeks = document.getElementById('GFG');
 
        function GFG_Fun() {
            $('#input').attr('id', 'capital');
            geeks.innerHTML = "Text is capitalized";
        }
    </script>
</body>
 
</html>

                    

Output:



Last Updated : 13 Jul, 2023
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