Textbox with select option

1. How do I activate a TextBox if I select an option in drop down box?
2. How do I get selected option in select box?
3. How to show a hidden TextBox when a specific option is selected?
4. How do you add a select option to input?

How do I activate a TextBox if I select an option in drop down box?

When an item (option) is selected in DropDownList (HTML SELECT), the EnableDisableTextBox JavaScript function is executed. Inside this function, based on whether the Other option (item) is selected, the TextBox will be enabled else disabled. The HTML Markup consists of a DropDownList (HTML SELECT) and a TextBox.

How do I get selected option in select box?

There are two methods of getting the value of the selected option. You can either select text or find the position of it in a drop-down list by using the option:selected attribute or the val() method in jQuery. The val() method returns the value of selected attribute value.

How to show a hidden TextBox when a specific option is selected?

To show a hidden div when a select option is selected, you can set the value “style. display” to block.

How do you add a select option to input?

For adding an option from the input text in a select tag, use the “add()” method with “Option” Constructor. The add() method is used to add the elements to the options of the “HTMLSelectElement” also known as <select> tag. It takes two parameters as arguments.