Get a querystring from URL and pass as querystring to new URL using javascript

Question

I need to Get a querystring from URL1 then redirect to URL2 - with the querystring from URL1 appended.

The querystring has 2 values:

http://URL1.com/hi/j?a=123&b=666

I want this to redirect to:

http://URL2.com/hi/b?a=123&b=666

I can't find anything on doing this on Google. I found this but it only works with 1 value and seems to have got criticism - and it only takes the querystring and doesn't add it: How can I get query string values in JavaScript?

Thanks.

prasanth · Accepted Answer · 2017-06-09 05:15:33Z

2

try this pattern \?(.*) . Match the regex pattern after ? .Then paste with newly created url extenstion

Add your code as like this

var a =window.location.href;
var after =/\?(.*)/g.exec(a)[0]
window.location.href='http://URL2.com/hi/b'+after

Working example

var a ='http://URL1.com/hi/j?a=123&b=666';
var after =/\?(.*)/g.exec(a);
console.log(after[1].split('&'))//try with your wish from array(selectquery)
console.log('http://URL2.com/hi/b'+after[0])//for whole query

edited Jun 9, 2017 at 5:15

answered Jun 9, 2017 at 4:40

prasanth

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3 Comments

niico Over a year ago

thanks - any chance of making it do the redirection on page load javascript isn't my strong point thanks :)

niico Over a year ago

great thanks - just one more thing, - can you add a variation that only has 1 querystring value, thx.

prasanth Over a year ago

I was added with snippet. create the array with all query string .You could chose with respected one

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