How to Add Input on OnClick in JavaScript: A Step-by-Step Guide
When building interactive websites, adding functionality to elements through user actions is essential. JavaScript's onclick event is one of the most widely used event handlers for adding interactivity to a webpage. By using this event, you can trigger specific actions when an element is clicked, such as updating an input field, toggling content, or executing other JavaScript functions.
In this post, we’ll focus on how to add input using the onclick event in JavaScript.
What is the onclick Event?
The onclick event in JavaScript is a DOM event that triggers a function when a user clicks on an HTML element. This event is commonly applied to buttons, but it can be used on various HTML elements like div, span, input, or even images.
JavaScript provides a dynamic way to interact with web pages, allowing developers to create user-friendly interfaces. One of the most commonly used methods to make web pages interactive is by responding to user actions like button clicks. The onclick event is often used for this purpose. In this blog post, we’ll explore how you can add an input field dynamically on a button click using JavaScript's onclick event.
Write the JavaScript Code
Now, let’s write the JavaScript function addInput to dynamically create and add an input field to the container.
Output:
In the JavaScript code above, the function addInput is executed when the button is clicked. Here’s what happens step by step:
Create an Input Element: The document.createElement("input") method creates a new input field element in the DOM.
Set Input Attributes: The setAttribute method is used to assign various properties to the newly created input field, such as the type, placeholder, and name.
Append Input to Container: The appendChild method is used to append the input field inside the input-container div.
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