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How to Create a Virtual Keyboard using HTML, CSS & JavaScript

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by vsasikalabe dot icon Updated: Jul 25, 2023

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A virtual keyboard is a software program. It allows a user to enter characters by clicking on a keyboard displayed on the screen than using a physical one. Virtual keyboards can be useful in a variety of situations. For example, they can be used to provide an on-screen keyboard for people with physical disabilities that make it difficult to use a physical keyboard. 


You can create a virtual keyboard using HTML, CSS, and JavaScript: 

  • First, create the structure of the keyboard using HTML. You can use div elements to represent the keys and assign each key a unique id attribute. 
  • Next, style the keyboard using CSS. You can use the id selectors to apply styles to specific keys and use the :hover and :active pseudo-classes to change the appearance of the keys when the user hovers over or clicks on them. 
  • Add the JavaScript code to make the keyboard functional. You can use the addEventListener method to attach an event handler function to each key that will be called when the key is clicked. 

You can also use other JavaScript methods to make your keyboard more interactive. 


To learn more about implementing Virtual Keyboards, you may have a look at the code below.

Preview of the output that you will get on running this code from your IDE.

Code:

In this solution we use the React library.

How to use physical keypresses to type in something on screen and simulate a virtual keyboard (Javascript)

JavaScriptdotLines of Code : 27dotLicense : Strong Copyleft (CC BY-SA 4.0)

<div id="qwerty" class="section">
    <div class="keyrow">
      <button>q</button><button>w</button><button>e</button><button>r</button>
      <button>t</button><button>y</button><button>u</button><button>i</button> 
      <button>o</button><button>p</button>
    </div>
    <div class="keyrow">
      <button>a</button><button>s</button><button>d</button><button>f</button> 
      <button>g</button><button>h</button><button>j</button><button>k</button>
      <button>l</button>
    </div>
    <div class="keyrow">
      <button>z</button><button>x</button><button>c</button><button>v</button> 
      <button>b</button><button>n</button><button>m</button>
    </div>
</div>

<input id="input" />

var input = document.querySelector('#input')

document.querySelectorAll('#qwerty button').forEach(el => {
  el.addEventListener('click', () => {
    input.value = input.value + el.innerText
  })
})

Instructions

Follow the steps carefully to get the output easily.

  1. Install the Node.js and React on your IDE(preferable Visual Studio Code).
  2. Create React Application using npx create-react-app foldername.
  3. cd foldername.
  4. Open the folder in IDE.
  5. Copy the code using "copy" button above and paste(line no 19 to 26) it in App.js file and paste the html code (line no 1 to 18)within the body in index.html.(remove the earlier code from App.js).
  6. Open the terminal from IDE.
  7. npm start to run the file.


You can also refer this url DEMO for getting the above output.

I hope you found this useful. I have added the link to dependent libraries, version information in the following sections.


I found this code snippet by searching for Virtual keyboard (Javascript) in kandi. You can try any such use case!

Environment Tested

I tested this solution in the following versions. Be mindful of changes when working with other versions.

  1. The solution is created in VS Code 1.73.1 version.
  2. The solution is tested on Nodejs 16.14.2 version.
  3. react 18.2.0 version.


Using this solution, we are able to create virtual keyboard (Javascript) with simple steps. This process also facilities an easy way to use, hassle-free method to create a hands-on working version of code which would help us to create virtual keyboard (Javascript).

Dependent Libraries

create-react-appby facebook

JavaScript doticonstar image 100082 doticonVersion:v5.0.1doticon
License: Permissive (MIT)

Set up a modern web app by running one command.

Support
    Quality
      Security
        License
          Reuse

            create-react-appby facebook

            JavaScript doticon star image 100082 doticonVersion:v5.0.1doticon License: Permissive (MIT)

            Set up a modern web app by running one command.
            Support
              Quality
                Security
                  License
                    Reuse

                      You can search for any dependent library on kandi like react.

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