Create a Dynamic Dropdown with Textbox Input HTML JavaScript
Create a Dynamic Dropdown Menu with Textbox Input | HTML and JavaScript Tutorial. In this tutorial, we will learn how to create a dynamic dropdown menu with textbox input using HTML and JavaScript. This interactive feature allows users to enter values into a textbox and add them as options in a dropdown menu. No prior coding knowledge is required to follow along. Let's dive into the step-by-step process.
Step 1: Setting up the HTML Structure
Begin by creating the basic HTML structure. Start with the !DOCTYPE html declaration followed by the html, head, and body tags. Within the body tag, center-align the content and add a heading, horizontal rule, textbox, button, and an empty dropdown menu.
Step 2: Styling the Elements
Use CSS to style the elements for a visually appealing appearance. Apply rounded borders, padding, and font sizes to the input textbox, button, and dropdown menu. Choose colors that complement your website's design scheme.
Step 3: Implementing the JavaScript Functionality
Now, let's focus on the JavaScript part. Create a function named addToDropdown(). Inside this function, retrieve the textbox and dropdown elements using their respective IDs. Get the value entered in the textbox and trim any leading or trailing white spaces.
Step 4: Adding Values to the Dropdown
Check if the value is empty. If it is, exit the function to prevent adding empty options. Otherwise, create a new option element dynamically. Set the text and value of the option to the entered value. Append the option to the dropdown menu using the add() method. Finally, clear the textbox value to prepare for the next input.
Conclusion:
By following this tutorial, you have learned how to create a dynamic dropdown menu with textbox input using HTML and JavaScript. This interactive feature enhances user experience by allowing them to add their own options to the dropdown.
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