Get input text from Text Box : val « jQuery « JavaScript Tutorial

<html>
  <head>
    <script type="text/javascript" src="js/jquery-1.3.2.js"></script>
    <script type="text/javascript">
        $(document).ready(function(){
                
                  alert($("input").val());
                
        });
    </script>
  </head>
  <body>
    <body>
      <button>Do</button>
      <form>
          <input type="text" />
      </form>
    </body>
</html>

30.114.val
	30.114.1.	Get the input value of the first matched element
	30.114.2.	Set value for text field
	30.114.3.	Set the value attribute of every matched element
	30.114.4.	Set multiple value for select
	30.114.5.	Set value to form input field
	30.114.6.	val(val) checks, or selects, all the radio buttons, checkboxes, and select options
	30.114.7.	Get input text from Text Box