Simple Array Demo
<html> <head> <title>Simple Array Demo</title> <script> var description = new Array(3) var counter = 0; function initialize(){ description[0] = "blank"; description[1] = "triangle"; description[2] = "circle"; description[3] = "square"; } function upDate(){ counter++; if (counter > 3){ counter = 0; } document.myForm.txtDescription.value = description[counter]; } </script> </head> <body onLoad = "initialize()"> <center> <h1>Simple Array Demo<hr></h1> <form name = "myForm"> <input type = "text" value = "blank" name = "txtDescription"> <br> <input type = "button" value = "next" onClick = "upDate()"> </form> </center> <hr> </body> </html>