Questions about the number and size of COOKIE_javascript skills
To be honest, I rarely pay attention to this issue in my daily use of JS and rarely use cookies, so I was dumbfounded when I was asked this time. I couldn't explain why, so in the end I just said: I can honestly admit that I don’t know much about the operation of this cookie. Today, a colleague asked about cookies again, so I checked online and made some relevant summaries and recorded them for future reference. As a JS programmer, you should be relatively familiar with the operation of cookies, so I won’t explain it too much.
The following are the different restrictions on cookies between browsers:
|
IE6.0
|
IE7.0/8.0 |
Opera |
FF |
Safari |
Chrome |
||||||||||||||||||||||
|
Number of cookies: |
20 for each domain |
50 for each domain |
30 for each domain |
50 for each domain |
No limit on number |
53 for each domain |
|||||||||||||||||||||
|
Total cookie size: |
4095 bytes |
4095 bytes |
4096 bytes |
4097 bytes |
4097 bytes |
4097 bytes |
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Where are cookies stored?
Dec 20, 2023 pm 03:07 PM
Cookies are usually stored in the cookie folder of the browser. Cookie files in the browser are usually stored in binary or SQLite format. If you open the cookie file directly, you may see some garbled or unreadable content, so it is best to use Use the cookie management interface provided by your browser to view and manage cookies.
Where are the cookies on your computer?
Dec 22, 2023 pm 03:46 PM
Cookies on your computer are stored in specific locations on your browser, depending on the browser and operating system used: 1. Google Chrome, stored in C:\Users\YourUsername\AppData\Local\Google\Chrome\User Data\Default \Cookies etc.
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How to increase disk size in VirtualBox [Guide]
Mar 17, 2024 am 10:10 AM
We often encounter situations where the predefined disk size has no room for more data? If you need more virtual machine hard disk space at a later stage, you must expand the virtual hard disk and partitions. In this post, we will see how to increase disk size in VirtualBox. Increasing the disk size in VirtualBox It is important to note that you may want to back up your virtual hard disk files before performing these operations, as there is always the possibility of something going wrong. It is always a good practice to have backups. However, the process usually works fine, just make sure to shut down your machine before continuing. There are two ways to increase disk size in VirtualBox. Expand VirtualBox disk size using GUI using CL
Where are the mobile cookies?
Dec 22, 2023 pm 03:40 PM
Cookies on the mobile phone are stored in the browser application of the mobile device: 1. On iOS devices, Cookies are stored in Settings -> Safari -> Advanced -> Website Data of the Safari browser; 2. On Android devices, Cookies Stored in Settings -> Site settings -> Cookies of Chrome browser, etc.
How cookies work
Sep 20, 2023 pm 05:57 PM
The working principle of cookies involves the server sending cookies, the browser storing cookies, and the browser processing and storing cookies. Detailed introduction: 1. The server sends a cookie, and the server sends an HTTP response header containing the cookie to the browser. This cookie contains some information, such as the user's identity authentication, preferences, or shopping cart contents. After the browser receives this cookie, it will be stored on the user's computer; 2. The browser stores cookies, etc.
What are the dangers of cookie leakage?
Sep 20, 2023 pm 05:53 PM
The dangers of cookie leakage include theft of personal identity information, tracking of personal online behavior, and account theft. Detailed introduction: 1. Personal identity information is stolen, such as name, email address, phone number, etc. This information may be used by criminals to carry out identity theft, fraud and other illegal activities; 2. Personal online behavior is tracked and analyzed through cookies With the data in the account, criminals can learn about the user's browsing history, shopping preferences, hobbies, etc.; 3. The account is stolen, bypassing login verification, directly accessing the user's account, etc.
Does clearing cookies have any impact?
Sep 20, 2023 pm 06:01 PM
The effects of clearing cookies include resetting personalization settings and preferences, affecting ad experience, and destroying login status and password remembering functions. Detailed introduction: 1. Reset personalized settings and preferences. If cookies are cleared, the shopping cart will be reset to empty and products need to be re-added. Clearing cookies will also cause the login status on social media platforms to be lost, requiring re-adding. Enter your username and password; 2. It affects the advertising experience. If cookies are cleared, the website will not be able to understand our interests and preferences, and will display irrelevant ads, etc.
Detailed explanation of where browser cookies are stored
Jan 19, 2024 am 09:15 AM
With the popularity of the Internet, we use browsers to surf the Internet have become a way of life. In the daily use of browsers, we often encounter situations where we need to enter account passwords, such as online shopping, social networking, emails, etc. This information needs to be recorded by the browser so that it does not need to be entered again the next time you visit. This is when cookies come in handy. What are cookies? Cookie refers to a small data file sent by the server to the user's browser and stored locally. It contains user behavior of some websites.
