jquery set textarea value off of another textbox code example

Example 1: jquery value of input

$("#textInput").val() // To get value of element textInput

Example 2: jquery set input value

$("button").click(function(){
  $("input:text").val("Glenn Quagmire");
 })

Example 3: change inptu val

//one of these 2 should suffice
$('#id').attr('value', 'xxx')
$('#id').val('xxx');