Posted in javascript
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9:51 am, February 2, 2021
 

How to set a cookie and expire it in 30 days

Here is some basic usage for the js cookie library.

Include the following script. Or you can grab the latest version at the cdnjs website.

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/js-cookie/2.2.1/js.cookie.min.js"></script>

How to set a cookie

this sets a cookie named kruxor with the value awesome. 

Javascript

// set a cookie
Cookies.set('kruxor', 'awesome');

How to set a cookie with expiry

this sets a cookie named kruxor and the value awesome with the expiry of 30 days. 

Checking a cookie

use this code to check a cookie is set

Javascript

Cookies.get('kruxor')

How to check if a cookie is set i chrome

open dev tools, f12, go into the application tab, and then scroll down until you see cookies. 

Javascript

Cookies.set('kruxor', 'awesome', { expires: 30 })

Further Documentation on JS Cookie

View on Github

Get the latest CDNJS version of this code here:

View JS Cookie on CDNJS

 

Basic Usage

Create a cookie, valid across the entire site:

Cookies.set('name', 'value')

Create a cookie that expires 7 days from now, valid across the entire site:

Cookies.set('name', 'value', { expires: 7 })

Create an expiring cookie, valid to the path of the current page:

Cookies.set('name', 'value', { expires: 7, path: '' })

Read cookie:

Cookies.get('name') // => 'value'
Cookies.get('nothing') // => undefined

Read all visible cookies:

Cookies.get() // => { name: 'value' }

Note: It is not possible to read a particular cookie by passing one of the cookie attributes (which may or may not have been used when writing the cookie in question):

Cookies.get('foo', { domain: 'sub.example.com' }) // `domain` won't have any effect...!

The cookie with the name foo will only be available on .get() if it's visible from where the code is called; the domain and/or path attribute will not have an effect when reading.

Delete cookie:

Cookies.remove('name')

Delete a cookie valid to the path of the current page:

Cookies.set('name', 'value', { path: '' })
Cookies.remove('name') // fail!
Cookies.remove('name', { path: '' }) // removed!

IMPORTANT! When deleting a cookie and you're not relying on the default attributes, you must pass the exact same path and domain attributes that were used to set the cookie:

Cookies.remove('name', { path: '', domain: '.yourdomain.com' })

Note: Removing a nonexistent cookie neither raises any exception nor returns any value.

Scripts

<script src="https://cdnjs.cloudflare.com/ajax/libs/js-cookie/2.2.1/js.cookie.min.js"></script>

Javascript

// set a cookie
Cookies.set('kruxor', 'awesome');

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Random Quote

"Olivia, my eldest daughter, caught measles when she was seven years old. As the illness took its usual course I can remember reading to her often in bed and not feeling particularly alarmed about it. Then one morning, when she was well on the road to recovery, I was sitting on her bed showing her how to fashion little animals out of coloured pipe-cleaners, and when it came to her turn to make one herself, I noticed that her fingers and her mind were not working together and she couldn’t do anything. 'Are you feeling all right?' I asked her. 'I feel all sleepy,' she said. In an hour, she was unconscious. In twelve hours she was dead. The measles had turned into a terrible thing called measles encephalitis and there was nothing the doctors could do to save her. That was...in 1962, but even now, if a child with measles happens to develop the same deadly reaction from measles as Olivia did, there would still be nothing the doctors could do to help her. On the other hand, there is today something that parents can do to make sure that this sort of tragedy does not happen to a child of theirs. They can insist that their child is immunised against measles. ...I dedicated two of my books to Olivia, the first was ‘James and the Giant Peach’. That was when she was still alive. The second was ‘The BFG’, dedicated to her memory after she had died from measles. You will see her name at the beginning of each of these books. And I know how happy she would be if only she could know that her death had helped to save a good deal of illness and death among other children."

I just checked google books for BFG, and the dedication is there. 

https://www.google.com.au/books/edition/_/quybcXrFhCIC?hl=en&gbpv=1 


Roald Dahl, 1986
Random CSS Property

url()

The url() CSS function is used to include a file. The parameter is an absolute URL, a relative URL, a blob URL, or a data URL. The url() function can be passed as a parameter of another CSS functions, like the attr() function. Depending on the property for which it is a value, the resource sought can be an image, font, or a stylesheet. The url() functional notation is the value for the <url> data type.
<url> css reference