Get the value in an input text box

Question

What are the ways to get and render an input value using jQuery?

Here is one:

$(document).ready(function() {    $("#txt_name").keyup(function() {      alert($(this).val());    });  })

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.4.3/jquery.min.js"></script>  <input type="text" id="txt_name" />

Answer 1

//Get var bla = $('#txt_name').val();  //Set $('#txt_name').val(bla);