fbp-fbc

var d=  new Date()
if(window.location.href.substring(7, 11).includes("www")){href = 2}else{href = 1}
d.setYear(d.getFullYear()+2)
document.cookie = document.cookie.split(";").forEach(function(cookie){
if(cookie.includes("_fbc")||cookie.includes("_fbp")){
document.cookie = cookie + ";expires=" + d.toUTCString()+";"
}
})
if(!document.cookie.includes("_fbp")){
const random = 1000000000 + parseInt(Math.random()* 9999999999)
var cookie = "_fbp=fb."+href+"."+Date.now()+"."+random+";expires=" + d.toUTCString()+";"
document.cookie= cookie
}
if(!document.cookie.includes("_fbc")){
var  match = RegExp('[?&]' + "fbclid" + '=([^&]*)').exec(window.location.search)
if(match){
var cookie = "_fbc=fb."+href+"."+Date.now()+"."+decodeURIComponent(match[1].replace(/\+/g, ' '))+";expires=" + d.toUTCString()+";"
document.cookie= cookie
}
}