How to Increase Button Size in HTML Without CSS ?

Last Updated : 10 Jul, 2024

To increase the button size in HTML without CSS, one can use JQuery and JavaScript language. In this article, we will explore both of these approaches with complete implementation in terms of examples and outputs.

Table of Content

Using jQuery
Using JavaScript

Using jQuery

In this approach, we are using jQuery to dynamically adjust the width and height of the button based on user input from the number field, allowing the button size to change in real time without using any CSS or style properties.

Syntax:

$(function(){
  // jQuery Method
});

Example: To demonstrate increasing button size in html without CSS using jQuery.

HTML

<!DOCTYPE html>
<html>

<head>
    <title>Example 2</title>
    <script src="https://code.jquery.com/jquery-3.6.4.min.js"></script>
    <style>
        body {
            text-align: center;
            margin: 50px;
        }
    </style>
</head>

<body>
    <h1 style="color: green;">GeeksforGeeks</h1>
    <h3>Using jQuery</h3>
    <div>
        <label for="sizeInput">Enter size:</label>
        <input type="number" id="sizeInput" min="10" max="200" step="5" value="50">
    </div>
    <div>
        <br />
        <button id="changeSizeButton">Change Size</button>
    </div>
    <script>
        $(document).ready(function () {
            $('#sizeInput').on('input', function () {
                var newSize = $(this).val();
                $('#changeSizeButton').width(newSize).height(newSize);
            });
        }); 
    </script>
</body>

</html>

Output:

Output2

Using JavaScript

In this approach, we are using JavaScript to dynamically increase the button size without using CSS. The increaseFn() function, is triggered by the button click, retrieves the current width and height of the button and increments them by 20 pixels and 10 pixels.

Syntax:

<script>
<!-- javascript body -->
</script>

Example: The below example uses JavaScript to increase button size in html without CSS.

HTML

<!DOCTYPE html>
<html>
<head>
    <title>Example 2</title>
</head>

<body>
    <h1 style="color: green;">GeeksforGeeks</h1>
    <h3>Using JavaScript</h3>
    <button type="button" id="myButton" onclick="increaseFn()">Click to Increase Size</button>
    <script>
        function increaseFn() {
            var btn = document.getElementById("myButton");
            var currwidth = btn.clientWidth;
            var currheight = btn.clientHeight;
            btn.style.width = (currwidth + 20) + "px";
            btn.style.height = (currheight + 10) + "px";
        } 
    </script>
</body>

</html>

Output:

Output2

How To Fix The Size Of A Button In CSS?

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How to Increase Button Size in HTML Without CSS ?

Using jQuery

Syntax:

Using JavaScript

Syntax:

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