Ejemplos en Javascript

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<HTML>

<HEAD>

<TITLE>Ejemplos Javascript: ejemplo pr�?�?�?¡ctico </TITLE>

<SCRIPT LANGUAGE = "JavaScript">

<!-- Begin Script

/*

-----------------------------------------

|      By Mattias Sj�?�?�?¶berg 9/10-96       |

|You're welcome to use/edit this script.|

| Keep the comments and drop me a note. |

-----------------------------------------

|      mattias.sjoberg@swipnet.se       |

| www.geocities.com/SiliconValley/7116  |

|  Vote for my page at the above URL    |

-----------------------------------------

*/

var expDays = 30;

var exp = new Date(); 

exp.setTime(exp.getTime() + (expDays*24*60*60*1000));

function Who(info){

        // Who

                var VisitorName = GetCookie('VisitorName')

                if (VisitorName == null) {

                        VisitorName = prompt("�?�??�?¿C�?�?�?³mo te llamas?");

                        SetCookie ('VisitorName', VisitorName, exp);

                }

        return VisitorName;

}

function When(info){

        // When

                var rightNow = new Date()

                var WWHTime = 0;

                WWHTime = GetCookie('WWhenH')

                WWHTime = WWHTime * 1

                /*This part is written by 

                Cut & Paste JavaScript  

                Copyright 1996, IMA STUDIOS, Inc.  

                This code may not be resold.

                This Copyright notice must be included

                on every document that contains this code.

                A link to http://www.imastudios.com should

                be included somewhere on your document. 

                */

                var lastHereFormatting = new Date(WWHTime);  // Date-i-fy that number

                var intLastVisit = (lastHereFormatting.getYear() * 10000)+(lastHereFormatting.getMonth() * 100) + lastHereFormatting.getDate()

                var lastHereInDateFormat = "" + lastHereFormatting;  // Gotta use substring functions

                var dayOfWeek = lastHereInDateFormat.substring(0,3)

                var dateMonth = lastHereInDateFormat.substring(4,11)

                var timeOfDay = lastHereInDateFormat.substring(11,16)

                var year = lastHereInDateFormat.substring(23,25)

                var WWHText = dayOfWeek + ", " + dateMonth + " at " + timeOfDay // display

                SetCookie ("WWhenH", rightNow.getTime(), exp)

        return WWHText;

}

function Count(info){

        var psj=0;

        // How many times

                var WWHCount = GetCookie('WWHCount')

                if (WWHCount == null) {

                        WWHCount = 0;

                }

                else{

                        WWHCount++;

                }

                SetCookie ('WWHCount', WWHCount, exp);

        return WWHCount;

}

function set(){

        VisitorName = prompt("Who are you?");

        SetCookie ('VisitorName', VisitorName, exp);

        SetCookie ('WWHCount', 0, exp);

        SetCookie ('WWhenH', 0, exp);

}

//  ********************* General Cookie handling *********************

//  Cookie Functions - Second Helping  (21-Jan-96)

//  Written by:  Bill Dortch, hIdaho Design <bdortch@netw.com>

//  The following functions are released to the public domain.

function getCookieVal (offset) {  

        var endstr = document.cookie.indexOf (";", offset);  

        if (endstr == -1)    

                endstr = document.cookie.length;  

                return unescape(document.cookie.substring(offset, endstr));

}

function GetCookie (name) {  

        var arg = name + "=";  

        var alen = arg.length;  

        var clen = document.cookie.length;  

        var i = 0;  

        while (i < clen) {    

        var j = i + alen;    

        if (document.cookie.substring(i, j) == arg)      

                return getCookieVal (j);    

                i = document.cookie.indexOf(" ", i) + 1;    

                if (i == 0) break;   

        }  

        return null;

}

function SetCookie (name, value) {  

        var argv = SetCookie.arguments;  

        var argc = SetCookie.arguments.length;  

        var expires = (argc > 2) ? argv[2] : null;  

        var path = (argc > 3) ? argv[3] : null;  

        var domain = (argc > 4) ? argv[4] : null;  

        var secure = (argc > 5) ? argv[5] : false;  

        document.cookie = name + "=" + escape (value) + 

        ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + 

        ((path == null) ? "" : ("; path=" + path)) +  

        ((domain == null) ? "" : ("; domain=" + domain)) +    

        ((secure == true) ? "; secure" : "");

}

function DeleteCookie (name) {  

        var exp = new Date();  

        exp.setTime (exp.getTime() - 1);  

        // This cookie is history  

        var cval = GetCookie (name);  

        document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();

}

//  End Script -->

</SCRIPT>

<script>

        document.write("Ciao <b>" + Who() + "</b>. Hai visitato questa pagina <b>" + Count() + "</b> volte. L'ultima volta e' stata il <b>" + When() +"</b>.")

</script>

</HEAD>

<BODY bgcolor="white">

</body>

</html>
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