For loop with alert dialog : For : Language Basics : JavaScript DHTML examples (example source code) Organized by topic




/*

Javascript Essentials

by Jason J. Manger



Publisher: Mcgraw-Hill Osborne Media; 



ISBN: 0078822343

*/



<!--

  Program 3-15

-->

<html>

<head>

<script language="JavaScript">

<!--

function seeElem(f)  {

  var elementList = "";

  for (var num=0; num < f.elements.length; num++) {

      elementList += num + 

                     ". " + 

                     f.elements[num] + 

                     "\n";

  }

  alert(elementList);

}

//-->

</script>

</head>

<body>

<form>

<table>

<tr>

 <td>Name:</td>

 <td><input name="persname" 

            type="text">

</tr>

<tr>

  <td>E-mail:</td>

  <td><input name="email" 

             type="text"></td>

</tr>

</table>

<input type="button" 

       value="See elements" 

       onClick="seeElem(this.form)">

</form>

</body>

</html>


1. For loop for lines
2. Drawing a Christmas Tree Using Nested For Loops
3. For loop
4. Using a for..in Loop in JavaScript
5. A Demonstration of a Nested Loop
6. A for Loop Used to Count from 0 to 99
7. Using the label Statement
8. Using the continue and break Statements
9. Use of the for Statement
10. The break Statement
11. The continue Statement
12. Labeled Statements
13. Plain for loop