Creating a dynamic URL - link to results on Airbnb availability for tomorrow

hi,
I'm looking to create a link to a URL that can update automatically using today's date. Reason is I want to monitor the pricing on my Airbnb listings without having to type in all the search dates every time. So I'd like a URL which is essentially as below but with dates that update to say for example checkin=  ** tomorrow ** &checkout= ** two days later **

https://www.airbnb.co.uk/s/Chippenham--UK?source=hdr&place_id=ChIJXdTdiABjcUgRSYcPSszcRq8&checkin=02-01-2017&checkout=05-01-2017&adults=2&children=0&infants=0&guests=2&room_types%5B%5D=Entire%20home%2Fapt&allow_override%5B%5D=&page=1&s_tag=JioWJWEX


Is there an easy way to do this, perhaps even an expression that the browser itself can parse.

Thanks

PS I've added the javascript topic as I'm interested to learn this and if this is a viable method then this could be a good test
xeniumAsked:
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Shaun VermaakTechnical SpecialistCommented:
Just alter the below code
javascript:function url() {
 var date = new Date();
 var y = date.getFullYear(); 
 var m = date.getMonth() +1; 
 if(m < 10){m = '0' + m;}
 var d = date.getDate();
 if(d < 10){d = '0' + d;}
 var date = y + "-" + m + "-" + d;

 return 'https://www.google.com/analytics/web/?authuser=0#my-reports/XXXXXXXX/XXXXXXXXXXX/%3F_u.date00%3D'+ date +'%26_u.date01%3D'+ date +'/';

} window.open(url(),"_blank");

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Can also be used as a bookmark.
http://trendblog.net/how-to-create-a-dynamic-bookmark-with-todays-date-in-the-url/
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xeniumAuthor Commented:
Great thanks, that works nicely! I'm new to Javascript so I just need to make some more adjustments for my case.. how would I do today +1 and today + 3? I've done a simple version below but it only works within the same month..

javascript:function url() {
 var date = new Date();
 var y = date.getFullYear(); 
 var m = date.getMonth() +1; 
 if(m < 10){m = '0' + m;}
 var d1 = date.getDate()+1;
 var d2 = date.getDate()+3;
 if(d1 < 10){d1 = '0' + d1;}
 if(d2 < 10){d2 = '0' + d2;}
 var CIdate = d1 + "-" + m + "-" + y;
 var COdate = d2 + "-" + m + "-" + y;

 return 'https://www.airbnb.co.uk/s/Chippenham--UK?source=hdr&place_id=ChIJXdTdiABjcUgRSYcPSszcRq8&checkin='+ CIdate +'&checkout='+ COdate +'&adults=2&children=0&infants=0&guests=2&room_types%5B%5D=Entire%20home%2Fapt&allow_override%5B%5D=&page=1&s_tag=JioWJWEX';


} window.open(url(),"_blank");

Open in new window

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Shaun VermaakTechnical SpecialistCommented:
Here is updated code
javascript:function url() {
var startDate = new Date();
var y = startDate.getFullYear();
var m = startDate.getMonth() + 1;
if (m < 10) {
  m = '0' + m;
}
var d = startDate.getDate();
if (d < 10) {
  d = '0' + d;
}

var startString = d + "-" + m + "-" + y;

var endDate = new Date();
endDate.setDate(startDate.getDate() + 3);
y = endDate.getFullYear();
m = endDate.getMonth() + 1;

if (m < 10) {
  m = '0' + m;
}
d = endDate.getDate();
if (d < 10) {
  d = '0' + d;
}

var endString = d + "-" + m + "-" + y;
return 'https://www.airbnb.co.uk/s/Chippenham--UK?source=hdr&place_id=ChIJXdTdiABjcUgRSYcPSszcRq8&checkin=' + startString + '&checkout=' + endString + '&adults=2&children=0&infants=0&guests=2&room_types%5B%5D=Entire%20home%2Fapt&allow_override%5B%5D=&page=1&s_tag=JioWJWEX'
} window.open(url(),"_blank");

Open in new window

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xeniumAuthor Commented:
Thanks, just a slight change.. start date needs to be tomorrow (today +1) and end date 2 days later (today +3)

I tried editting your code but fell on the first bit

thanks
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Shaun VermaakTechnical SpecialistCommented:
javascript:function url() {
var startDate = new Date();
startDate.setDate(startDate.getDate() + 1);
var y = startDate.getFullYear();
var m = startDate.getMonth() + 1;
if (m < 10) {
  m = '0' + m;
}
var d = startDate.getDate();
if (d < 10) {
  d = '0' + d;
}

var startString = d + "-" + m + "-" + y;

var endDate = new Date();
endDate.setDate(startDate.getDate() + 2);
y = endDate.getFullYear();
m = endDate.getMonth() + 1;

if (m < 10) {
  m = '0' + m;
}
d = endDate.getDate();
if (d < 10) {
  d = '0' + d;
}

var endString = d + "-" + m + "-" + y;

return 'https://www.airbnb.co.uk/s/Chippenham--UK?source=hdr&place_id=ChIJXdTdiABjcUgRSYcPSszcRq8&checkin=' + startString + '&checkout=' + endString + '&adults=2&children=0&infants=0&guests=2&room_types%5B%5D=Entire%20home%2Fapt&allow_override%5B%5D=&page=1&s_tag=JioWJWEX'
} window.open(url(),"_blank");

Open in new window

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xeniumAuthor Commented:
Great thanks, that's perfect!
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xeniumAuthor Commented:
PS I have a follow-up I'll post a link to a separate question in a moment
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xeniumAuthor Commented:
This solution opens an additional blank tab by mistake, not a big issue but is there an easy way to avoid this?
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Shaun VermaakTechnical SpecialistCommented:
Change
window.open(url(),"_blank");

Open in new window

to
window.open(url(),"_self");

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1
xeniumAuthor Commented:
Great thanks a lot
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