HTMLSelectElement.remove()
  The HTMLSelectElement.remove() method removes the element
  at the specified index from the options collection for this select element.
Syntax
collection.remove(index);
Parameters
- 
    indexis a zero-based long for the index of theHTMLOptionElementto remove from the collection. If the index is not found the method has no effect.
Example
<select id="existingList" name="existingList">
    <option value="1">Option: Value 1</option>
    <option value="2">Option: Value 2</option>
    <option value="3">Option: Value 3</option>
</select>
let sel = document.getElementById("existingList");
sel.remove(1);
HTML is now:
<select id="existingList" name="existingList">
    <option value="1">Option: Value 1</option>
    <option value="3">Option: Value 3</option>
</select>
Specifications
| Specification | 
|---|
| HTML Standard # dom-select-remove | 
Browser compatibility
BCD tables only load in the browser
See also
- 
    Element.remove, the method that gets called when remove is called without arguments on aHTMLSelectElement.
- HTMLSelectElementthat implements it.