I am working on a login page for a project and I am wondering how I would go about setting a cookie just to remember the username ?
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Answer
Here is the sample code. for html Cookies.
JavaScript
x
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1
<!DOCTYPE html>2
<html>3
<head>4
<script>5
function getCookie(c_name)6
{7
var c_value = document.cookie;8
var c_start = c_value.indexOf(" " + c_name + "=");9
if (c_start == -1)10
{11
c_start = c_value.indexOf(c_name + "=");12
}13
if (c_start == -1)14
{15
c_value = null;16
}17
else18
{19
c_start = c_value.indexOf("=", c_start) + 1;20
var c_end = c_value.indexOf(";", c_start);21
if (c_end == -1)22
{23
c_end = c_value.length;24
}25
c_value = unescape(c_value.substring(c_start,c_end));26
}27
return c_value;28
}29
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function setCookie(c_name,value,exdays)31
{32
var exdate=new Date();33
exdate.setDate(exdate.getDate() + exdays);34
var c_value=escape(value) + ((exdays==null) ? "" : "; expires="+exdate.toUTCString());35
document.cookie=c_name + "=" + c_value;36
}37
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function checkCookie()39
{40
var username=getCookie("username");41
if (username!=null && username!="")42
{43
alert("Welcome again " + username);44
}45
else 46
{47
username=prompt("Please enter your username:","");48
if (username!=null && username!="")49
{50
setCookie("username",username,365);51
}52
}53
}54
</script>55
</head>56
<body onload="checkCookie()">57
</body>58
</html>59