Getting and Setting HTML Form Values // From https://www.safaribooksonline.com/library/view/jquery-pocket-reference/9781449398958/ch02s04.html
// Get value from the surname text field
$("#surname").val()
// Get single value from <select>
$("#usstate").val()
// Get array of values from <select multiple>
$("select#extras").val()
// Get val of checked radio button
$("input:radio[name=ship]:checked").val()
// Set value of a text field
$("#email").val("Invalid email address")
// Check any checkboxes with these names or values
$("input:checkbox").val(["opt1", "opt2"])
// Reset all text fields to their default
$("input:text").val(function() {
return this.defaultValue;
})
// Getting and Setting HTML Form Values
// val() is a method for setting and querying the value attribute of HTML form elements, and also for querying and setting the selection state of checkboxes, radio buttons, and <select> elements: