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What is dynamic dropdown in JavaScript?
A dynamic dropdown is a multi-level (or dependent) dropdown that displays a new dropdown set dynamically based on user response to a previous dropdown menu. An example of this is a Country dropdown. If a user selects “United States,” the next dropdown shows a list of US States.
How to create dynamic listbox in JavaScript?
To add a dropdown list dynamically, you would need to create the HTML <select> element, its label and optionally a <br> tag. In pure JavaScript, you can use the document. createElement() method to programmatically create a dropdown list. Then you can call the Node's appendChild() method or jQuery's .
