Alert JavaScript how to make

Javascript Alerts: Learn how to use & create them with an example. Get your user's attention with a quick & easy popup.

Using JavaScript to Make a Popup

Using JavaScript to make a popup is a great way to create a user-friendly interface. This can be used to give users an alert when they enter some information incorrectly, or to simply provide them with more information. Here's an example of how to make a popup using JavaScript.

 
// Create a function to show the popup
function showPopup(message) {
  // Create a new element to contain the message
  let popup = document.createElement("div");
  popup.className = "popup";
  popup.innerHTML = message;

  // Add the popup to the page
  document.body.appendChild(popup);

  // Set a timeout to remove the popup after 5 seconds
  setTimeout(function() {
    popup.parentNode.removeChild(popup);
  }, 5000);
}

// Call the function with your message
showPopup("You have successfully logged in!");

The above code creates a function called showPopup. This function takes one parameter, which is the message that you want to show in the popup. Inside the function, a new element is created and added to the page. The element is given the class name "popup", and the message is added to it. Then, a timeout is set to remove the popup after 5 seconds. Finally, the function is called with your message.

This is just one way to make a popup with JavaScript. There are many other ways to do this, and you can customize it to fit your needs. Hopefully this example gives you a good starting point for making your own popups.