Perhatian 2 
Copy skrip atau download.
 
 <!-- ONE STEP TO INSTALL ALERT BUTTON: 

  1. Paste the coding into the BODY of the HTML document --> 

  <!-- STEP ONE: Copy this code into the BODY of your HTML document --> 

  <BODY> 

  <CENTER> 
  <FORM> 

  <!-- This script and many more are available free online at --> 
  <!-- The JavaScript Source!! http://javascript.internet.com --> 

  <INPUT TYPE="button" VALUE="Click here to be alerted" 
  onClick='alert("There. You have been alerted.")'> 
  </FORM> 
  </CENTER> 

  <!-- Script Size: 0.50 KB --> 
 
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