Clearing the entire dropdown list is pretty easy, all we have to do is to create a button, which calls a function that performs the deletion.
Let’s look at the syntax of the deletion part:
document.getElementById("idofdropdownlist").innerHTML = "";
Here, it gets all the elements present in the given Id and clears then by assigning all the objects null, if not assigned to null, still object remains.
Approach 1: Check out the code:
This process not only removes the option but also removes the dropdown box too.
Check out the code:
These methods work on all browsers.
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- HTTP headers | X-Content-Type-Options
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