获取输入文本框中的值

Question

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

Here is one:

<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"  />

转载于:https://stackoverflow.com/questions/4088467/get-the-value-in-an-input-text-box

Answer 1

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

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