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P. 204

txt_str = "You pressed Cancel! Goodbye!";
                  }
                  document.getElementById("code").innerHTML = txt_str;
                  }
                  </SCRIPT>
                  </HEAD>
                  <BODY>
                  <h2>Using Confirm Box in JavaScript</h2>
                  <p id="code">
                  <input type="button" onclick="display()" value="Click Here">
                  </p>

                  </BODY>
                  </HTML>
              Output:















                When Click Here button is clicked, it displays:         When OK button is clicked, it displays:














              Example 14: To demonstrate the use of prompt function

              In this example the function func1( ) is called and executed when the button is clicked. The prompt function
              asks the user to enter a value. In case the value entered is not null (or blank left by user) the respective value
              is displayed in the body of the webpage.

                  <!DOCTYPE HTML>
                  <HTML>
                  <HEAD>

                  <TITLE>Prompt Box</TITLE>
                  </HEAD>
                  <SCRIPT>
                  function func1() {
                  var age = prompt("Enter your Age","45");

                  if (age != null){
                202   Touchpad Web Applications (Ver. 2.0)-XII
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