User Name - JavaScript Made Easy: Free JavaScripts Tutorials Example Code

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JavaScript Basics

Inserting Javascript

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User Name

Cookies allow web pages to store information on the visitors computer and to later retrieve that information. This cookie records the visitor's name. Please enter your name:


Insert into <HEAD>
<SCRIPT LANGUAGE="JavaScript"> <!-- Original: Bill Dortch, Idaho Design (bdortch@netw.com) <!-- Begin 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 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."); } // End --> </SCRIPT>

Insert into <BODY>
<CENTER> <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> </CENTER>

Other Options