Code:
<script language="JavaScript"> <!-- Begin function reverse(form) { text = ""; str = form.revtext.value; for (i = 0; i <= str.length; i++) text = str.substring(i, i+1) + text; form.revtext.value = text; } // End --> </script> <form> <textarea rows="4" cols="20" value="hello" name="revtext" type="text"></textarea> <input value="Reverse" onclick="reverse(this.form)" type="button"/> </form>
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