jquery - 在输入文本框中获取值(Get the value in an input text box)

Question

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

(使用jQuery获取和呈现输入值的方法有哪些？)

Here is one:

(这是一个：)

<script type="text/javascript" src="http://code.jquery.com/jquery-1.4.3.min.js" ></script>
<script type="text/javascript">
    $(document).ready(function(){
        $("#txt_name").keyup(function(){
            alert($(this).val());
        });
    })
</script>

<input type="text" id="txt_name"  />

  ask by Bharanikumar translate from so

Answer 1

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

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