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Use the add() method of the HTMLSelectElement to add an option to the <select> element. Use the remove() method of the HTMLSelectElement to remove an option from the <select> element.

How to Get Selected Value in Dropdown List using JavaScript? <select id="dropdown-id"> <option value="html">HTML</option> <option value="css">CSS</option> <option value="js">JavaScript</option> </select> selectedElement. value; SelectElement. optionsselectedElement. selectedIndex. value;

By passing the HTML of the option tag to the append() method The select box is selected with the jQuery selector and this option is added using the append() method. The append() method inserts the specified content as the last child of the jQuery collection. Hence the option is added to the select element.

Working with your drop-down list Select the cells that have the drop-down list. Go to Data > Data Validation. On the Settings tab, click in the Source box. Then do one of the following: If the Source box contains drop-down entries separated by commas, then type new entries or remove ones you don't need.

New options can be added to a Select2 control programmatically by creating a new Javascript Option object and appending it to the control: var data = { id: 1, text: 'Barn owl' }; var newOption = new Option(data.text, data.id, false, false); $('#mySelect2').append(newOption).trigger('change');

The <option> tag defines an option in a select list. <option> elements go inside a <select>, <optgroup>, or <datalist> element. Note: The <option> tag can be used without any attributes, but you usually need the value attribute, which indicates what is sent to the server on form submission.

Example Explained Use any element to open the dropdown menu, e.g. a <button>, <a> or <p> element. Use a container element (like <div>) to create the dropdown menu and add the dropdown links inside it. Wrap a <div> element around the button and the <div> to position the dropdown menu correctly with CSS.

How to Get Selected Value in Dropdown List using JavaScript? <select id="dropdown-id"> <option value="html">HTML</option> <option value="css">CSS</option> <option value="js">JavaScript</option> </select> selectedElement. value; SelectElement. optionsselectedElement. selectedIndex. value;

The <select> element is used to create a drop-down list. The <select> element is most often used in a form, to collect user input. The name attribute is needed to reference the form data after the form is submitted (if you omit the name attribute, no data from the drop-down list will be submitted).