basicform1.js

//  JavaScript: Basic Forms, Example 1
//  Function changes text of textbox when button is clicked
//
//  Copyright (c) Paul Griffiths, 2007
//  Email: mail@paulgriffiths.net

function changeText() {
  if ( document.forms["basicForm"].textBox.value == "Now you see me!" )
    document.forms["basicForm"].textBox.value = "Now you don't!";
  else
    document.forms["basicForm"].textBox.value = "Now you see me!";
}