The JavaScript Source: Cookies : User Name

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General

This cookie records the visitor's name. It can then be used for identification or other purposes, as needed.

Notes

Posted: July 01, 1997

Source Code

Paste this source code into the designated areas.

External file

Paste this code into an external JavaScript file named: userName.js

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" : "");
}

//      - - - - - - - - End of Public Domain Cookie Code - - - - - - - -
//      - - - - - - - - JTotW Cookie Functions by Nick Heinle- - - - - - - -

function show_count() {
  var expdate = new Date();
  var num;
  expdate.setTime(expdate.getTime() +  (24 * 60 * 60 * 1000 * 31));
  if(!(num = GetCookie("jtotwcount")))
  num = 0;
  num++;
  SetCookie ("jtotwcount", num, expdate);
  if (num == 1) document.write("Since this is the first time you have been here, please take a moment to look around.");
  else document.write("You have been here " + num + " times.");
}

function auto_show_name() {
  if(GetCookie("jtotwname") != null)
  document.write("Welcome back to this week\'s tip " + GetCookie('jtotwname') + ". ");
  else {
  document.write("<FORM>Please enter your name: <INPUT TYPE = \"text\" NAME = \"nameinput\">" + "<BR><BR><INPUT TYPE = \"button\" VALUE = \"Save to Cookie\" onClick = \"set_name(this.form)\"></FORM>");
  document.write("Please enter your first name in the input" + " box and press the \"Save to Cookie\" button, then the page will automatically reload. ");
  }
}

function set_name(form) {
  var expdate = new Date ();
  expdate.setTime (expdate.getTime() + (24 * 60 * 60 * 1000 * 31));
  var username = form.nameinput.value
  if (username != "") {
    if (confirm("Are you sure you want this saved as your name?")) {
      SetCookie ("jtotwname", username, expdate);
      window.history.go(0);
    }
  } else alert("Geez, at least enter something, entering nothing will cause an error.");
}

Head

Paste this code into the HEAD section of your HTML document.


<script type="text/javascript" src="userName.js"></script>

Body

Paste this code into the BODY section of your HTML document


<form>
Please enter your name: <input type="text" name="nameinput">
<br><br>
<input type="button" value="Save to Cookie" onclick="set_name(this.form)">
</form>

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2. From: Taylor
04/21/2007 22:05:54

1. From: JWWright
11/29/2006 10:13:12

Navigation Menu

Internet.commerce

Internet.com

Developer Channel

Great Sites

Promotions

General

Notes

Source Code

External file

Head

Body

User Comments

2. From: Taylor04/21/2007 22:05:54

1. From: JWWright11/29/2006 10:13:12

2. From: Taylor
04/21/2007 22:05:54

1. From: JWWright
11/29/2006 10:13:12