html - How to set textarea to 100% width and height?

Html - How to set textarea to 100% width and height?

To set a <textarea> element to 100% width and height, you can use CSS to style it. Here's an example of how you can achieve this:

<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <style> body, html { height: 100%; margin: 0; } textarea { width: 100%; height: 100%; box-sizing: border-box; } </style> <title>Resizable Textarea</title> </head> <body> <textarea></textarea> </body> </html>

In this example:

  • The body and html elements are set to height: 100%; to ensure that the entire viewport height is utilized.
  • The textarea element is styled with width: 100%; and height: 100%; to take up the full width and height of its container.
  • box-sizing: border-box; is used to include the padding and border within the element's total width and height.

You can copy and paste this code into an HTML file and open it in a web browser to see the result. Adjustments can be made based on your specific requirements.

Examples

  1. Set Textarea to 100% Width and Height with CSS

    <textarea style="width: 100%; height: 100%;"></textarea>

    Description: Uses inline CSS to set the textarea to 100% width and height.

  2. Apply CSS Styles for 100% Width and Height in External Stylesheet

    <link rel="stylesheet" href="styles.css"> <textarea class="full-width-height"></textarea> 
    .full-width-height { width: 100%; height: 100%; }

    Description: Defines a CSS class in an external stylesheet to set the textarea to 100% width and height.

  3. Set Width and Height using CSS Flexbox

    <div style="display: flex;"> <textarea style="flex: 1;"></textarea> </div>

    Description: Utilizes CSS Flexbox to make the textarea fill the available width and height.

  4. Using CSS Grid to Achieve 100% Width and Height

    <div style="display: grid; height: 100vh;"> <textarea style="grid-area: 1 / 1 / 2 / 2;"></textarea> </div>

    Description: Applies CSS Grid to create a layout where the textarea takes 100% width and height.

  5. Set Width and Height in Percentage Using External CSS

    <link rel="stylesheet" href="styles.css"> <textarea class="full-width-height"></textarea> 
    .full-width-height { width: 100%; height: 100%; }

    Description: Defines a CSS class in an external stylesheet to set the textarea width and height to 100%.

  6. Using the vh and vw Units for 100% Height and Width

    <textarea style="width: 100vw; height: 100vh;"></textarea>

    Description: Utilizes the viewport width (vw) and viewport height (vh) units to set the textarea to 100% width and height relative to the viewport.

  7. CSS Flexbox with Min-Height for 100% Height

    <div style="display: flex; min-height: 100vh;"> <textarea style="flex: 1;"></textarea> </div>

    Description: Combines CSS Flexbox with a minimum height to achieve 100% height for the textarea.

  8. Set Width and Height Using CSS Grid Template Areas

    <div style="display: grid; height: 100vh; grid-template-areas: 'textarea';"> <textarea style="grid-area: textarea;"></textarea> </div>

    Description: Uses CSS Grid with template areas to set the textarea to 100% width and height.

  9. CSS Flexbox with Height in Percentage

    <div style="display: flex; height: 100%;"> <textarea style="flex: 1;"></textarea> </div>

    Description: Utilizes CSS Flexbox with a parent container set to 100% height to achieve the desired layout.

  10. Responsive Design with Max-Width and Max-Height

    <textarea style="max-width: 100%; max-height: 100%;"></textarea>

    Description: Ensures responsiveness by setting the textarea's max-width and max-height to 100%.

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