Button.value : Button : Form JAVASCRIPT TUTORIALS

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Button.value

Syntax



document.form.button.value

The value property provides access to the VALUE attribute of the button.

This property is a read-only string that is displayed in the graphical button.



<html>
    <form name="myForm">
      Please enter your name:
      <input type="text"
             name="nameBox">
      <input type="button"
             name="customizeTheButton"
             value="Customize the button"
             onClick="customizeButton()"><HR>
      <input type="button"
             name="theButton"
             value="Press"
             onClick="displayAlert()">
    </form>
    <SCRIPT LANGUAGE="JavaScript">
    <!--
    function customizeButton()
    {
      var aString = document.myForm.nameBox.value;
      aString += " press this button!";
      document.myForm.theButton.value=aString;
    }
    function displayAlert()
    {
      alert("You pressed the button.");

    }
    -->
    </script>
    </html>