javascript - How can I pass a query string to window.location.replace()? - Stack Overflow

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I am sending an email that links a user to a URL with a query string. I am retrieving this string with:

var getQueryString = function ( field, url ) {
var href = url ? url : window.location.href;
var reg = new RegExp( '[?&]' + field + '=([^&#]*)', 'i' );
var string = reg.exec(href);
return string ? string[1] : null;
};

var list = getQueryString('list', window.location.href);
console.log(list);

I want to pass this query string to another link on this page. My current function reads as:

function signin(){
  var email = document.getElementById('email').value;
  var password = document.getElementById('password').value;
  firebase.auth().signInWithEmailAndPassword(email, password).then(function(){
    window.location.replace("management.html" + list);
  })
  .catch(function(error) {
    ...
  });
}

How can I correctly pass the variable list to signin?

I am sending an email that links a user to a URL with a query string. I am retrieving this string with:

var getQueryString = function ( field, url ) {
var href = url ? url : window.location.href;
var reg = new RegExp( '[?&]' + field + '=([^&#]*)', 'i' );
var string = reg.exec(href);
return string ? string[1] : null;
};

var list = getQueryString('list', window.location.href);
console.log(list);

I want to pass this query string to another link on this page. My current function reads as:

function signin(){
  var email = document.getElementById('email').value;
  var password = document.getElementById('password').value;
  firebase.auth().signInWithEmailAndPassword(email, password).then(function(){
    window.location.replace("management.html" + list);
  })
  .catch(function(error) {
    ...
  });
}

How can I correctly pass the variable list to signin?

• javascript

Share Improve this question Follow asked Dec 15, 2017 at 22:41 cfoster5cfoster5 1,83655 gold badges3030 silver badges4545 bronze badges 0

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2 Answers 2

Sorted by: Reset to default 3

Your list variable only contains the value of the query '?list=123' which for example would be '123'

You aren't creating a new query string....just adding that same value to end of the new url so it would look like "management.html123'

If you want the whole query string from current page passed to new page you can use location.search

location.replace("management.html" + location.search);

Or for just the 'list' do:

location.replace("management.html?list=" + list);

If these are not on the same page and the global variable is not accessible, I would use the local storage solution presented here:

Passing Variable through JavaScript from one html page to another page

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