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Call a function with onclick() – JavaScript?
Let’s say the following is our button −
<button onclick="displayingMessageOnButtonClick()">Press Me</button>
We need to call a function on the click of above button.
Example
Following is the code −
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> </head> <link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css"> <script src="https://code.jquery.com/jquery-1.12.4.js"></script> <script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script> <body> <p id="showTheTextMessage"></p> <button onclick="displayingMessageOnButtonClick()">Press Me</button> </body> <script> function displayingMessageOnButtonClick() { const showMessage = document.getElementById('showTheTextMessage'); showMessage.innerHTML = 'Welcome to Javascript Program...'; showMessage.style.display = 'block'; } </script> </html>
To run the above program, save the file name anyName.html(index.html). Right click on the file and select the option “Open with live server” in VS Code editor −
Output
The output is as follows −
Now, press the button. Following is the output −
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