How to access a cookie in javascript?

Question

I'm working on a project which runs a PHP document on localhost. The PHP accepts and saves-as-cookie some user input.

Then it's supposed to execute a javascript script which uses the data in the cookie to perform a calculation, and return the calculation to the PHP document.

The first part is fine. The application prompts user for input and saves it to a cookie as expected. I check chrome://settings/cookies and see the cookie in locally stored data, Domain: localhost. fine.

In the same directory, I have a file called calculate.js. I know calculate.js is working, and being executed correctly from the PHP, with dummy data. But: How can I save the value of the cookie to a var in calculate.js?

Possible duplicate of How do I create and read a value from cookie? — Qirel
– Qirel, Commented May 1, 2017 at 9:28

Vin · Accepted Answer · 2017-05-01 09:40:17Z

2

get cookie content from javascript ?

Javascript

var c = document.cookie
console.log(c)

PHP

$_COOKIE[$cookie_name]

answered May 1, 2017 at 9:40

Vin

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4 Comments

Roibeárd Mac Unfraidh Over a year ago

Thanks, I'm still not getting it. I mean, the cookie is defined in PHP, and the Javascript is supposed to (let's say) console log it. Is that what you have described?

gsanta Over a year ago

Why dont't you try it? Yes I suppose it is.

Vin Over a year ago

php - [Set cookie] -> javascript get it? document.cookie not work?

Vin Over a year ago

maybe you can check this, split and get it by name stackoverflow.com/questions/10730362/get-cookie-by-name

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