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I'm trying to build a system where, if user lands on a page for the first time nothing should happen, but if same user visit again then that page should not load and instead he should go to a different URL.
function session() {
if (document.cookie.indexOf("visited") > 0) {
window.location.href = "www.google.com";
} else {
document.cookie = "visited";
}
}
Here is the completed html just to test it's workig
<html>
<head>
</head>
<body>
1st visit
<script type="text/javascript">
function session() {
if (document.cookie.indexOf("visited") > 0) {
window.location.href = "www.google.com";
} else {
document.cookie = "visited";
}
}
</script>
</body>
</html>
727
Here is a solution based on the Duplicate link that I posted.
I am not posting it as a Code Snippet, because for security reasons Code Snippets can't seem to work with cookies. Instead here is a working JSFiddle.
function setCookie(c_name,value,exdays){var exdate=new Date();exdate.setDate(exdate.getDate() + exdays);var c_value=escape(value) + ((exdays==null) ? "" : "; expires="+exdate.toUTCString());document.cookie=c_name + "=" + c_value;}
function getCookie(c_name){var c_value = document.cookie;var c_start = c_value.indexOf(" " + c_name + "=");if (c_start == -1){c_start = c_value.indexOf(c_name + "=");}if (c_start == -1){c_value = null;}else{c_start = c_value.indexOf("=", c_start) + 1;var c_end = c_value.indexOf(";", c_start);if (c_end == -1){c_end = c_value.length;}c_value = unescape(c_value.substring(c_start,c_end));}return c_value;}
checkSession();
function checkSession(){
var c = getCookie("visited");
if (c === "yes") {
alert("Welcome back!");
} else {
alert("Welcome new visitor!");
}
setCookie("visited", "yes", 365); // expire in 1 year; or use null to never expire
}
I'm recommend to use local storage =)
var first_visit = false;
checkFirstVisit();
function checkFirstVisit(){
if(localStorage.getItem('was_visited')){
return;
}
first_visit = true;
localStorage.setItem('was_visited', 1);
}
console.log(first_visit);
answered Oct 29 '25 01:10
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