JScript Examples, Cookies Example in JavaScript, JavaScript Tutorial, Global Guideline

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Cookies Example using JavaScript.

JavaScript Code for Cookies creation deletion and retrieve data from Cookies.

<html>
<head>
  <title>JavaScript Examples at Global Guide Line</title>
  <script language="javascript">
function getCookie(c_name)
{
  if (document.cookie.length>0)
  { 
    c_start=document.cookie.indexOf(c_name + "=")
    if (c_start!=-1)
    { 
    c_start=c_start + c_name.length+1 
    c_end=document.cookie.indexOf(";",c_start)
      if (c_end==-1) c_end=document.cookie.length
       return unescape(document.cookie.substring(c_start,c_end))
    } 
  }
  return ""
}

function setCookie(c_name,value,expiredays)
{
  var exdate=new Date()
  exdate.setDate(exdate.getDate()+expiredays)
  document.cookie=c_name+ "=" +escape(value)+
  ((expiredays==null) ? "" : "; expires="+exdate.toGMTString())
}

function checkCookie()
{
  username=getCookie('username')
  if (username!=null && username!="")
    {
     document.write("Hi! " + getCookie('username') + " We knows you...");
    }
  else 
  {
    username=prompt('Please enter your name:',"")
    if (username!=null && username!="")
    {
      setCookie('username',username,365)
    }
     document.write("Hi! " + getCookie('username') + " We knows you...");
  }
}
</script>

</head>
<body>
	<script language="javascript">
		checkCookie()
	</script>
</body>
</html>

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