JavaScript Kod Örnekleri - JavaScript Code Samples

<!--
// Copyright (c) 1996-1997 Tomer Shiran. All rights reserved.
// Permission given to use the script provided that this notice remains as is.
// Additional scripts can be found at http://www.javadepo.com
// Boolean variable specified if alert should be displayed if cookie exceeds 4KB

var caution = false

// name - name of the cookie
// value - value of the cookie
// [expires] - expiration date of the cookie (defaults to end of current session)
// [path] - path for which the cookie is valid (defaults to path of calling document)
// [domain] - domain for which the cookie is valid (defaults to domain of calling document)
// [secure] - Boolean value indicating if the cookie transmission requires a secure transmission
// * an argument defaults when it is assigned null as a placeholder
// * a null placeholder is not required for trailing omitted arguments

function setCookie(name, value, expires, path, domain, secure) {

var curCookie = name + "=" + escape(value) +

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

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

((secure) ? "; secure" : "")

if (!caution || (name + "=" + escape(value)).length <= 4000)

document.cookie = curCookie

else

if (confirm("Cookie exceeds 4KB and will be cut!"))

document.cookie = curCookie

}

// name - name of the desired cookie
// * return string containing value of specified cookie or null if cookie does not exist

function getCookie(name) {

var prefix = name + "="

var cookieStartIndex = document.cookie.indexOf(prefix)

if (cookieStartIndex == -1)

return null

var cookieEndIndex = document.cookie.indexOf(";", cookieStartIndex + prefix.length)

if (cookieEndIndex == -1)

cookieEndIndex = document.cookie.length
return unescape(document.cookie.substring(cookieStartIndex + prefix.length, cookieEndIndex))

}

// name - name of the cookie
// [path] - path of the cookie (must be same as path used to create cookie)
// [domain] - domain of the cookie (must be same as domain used to create cookie)
// * path and domain default if assigned null or omitted if no explicit argument proceeds

function deleteCookie(name, path, domain) {

if (getCookie(name)) {

document.cookie = name + "=" +

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

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

"; expires=Thu, 01-Jan-70 00:00:01 GMT"

}

// date - any instance of the Date object
// * you should hand all instances of the Date object to this function for "repairs"
// * this function is taken from Chapter 14, "Time and Date in JavaScript", in "Learn Advanced JavaScript Programming"

function fixDate(date) {

var base = new Date(0)

var skew = base.getTime()

if (skew > 0)

date.setTime(date.getTime() - skew)

}

var now = new Date()
fixDate(now)
now.setTime(now.getTime() + 31 * 24 * 60 * 60 * 1000)
var name = getCookie("name")
if (!name)

name = prompt("Kodornekleri.com seni (kalıcı olarak) tanımak istiyor.", "http://kodornekleri.com")
setCookie("name", name, now)

document.write(" " + name + "")

//-->

</script>

JavaScript Kod Örnegi (JavaScript Code Sample)

JavaScript Siteye giren ziyaretçiyi tanımlama

Bu örnekte siteye ilk girişte kullanıcı ismi yazılıyor. Bundan sonraki ziyaretlerde hep o kişinin adını yazarak karşılama yapılıyor. Örnek site http://kodornekleri.com

Ekleyen : Göksel Özusta