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First, the preface
Cookies must be known to everyone, but not everyone is proficient. This article explains the various aspects of cookies.
Second, basic knowledge
1. What is a cookie
A Cookie is a small piece of textual information that
HTTP cookies, often referred to as "cookies", have been in existence for a long time, but are still not fully understood. The first problem is that there are many misconceptions that cookies are backdoor programs or viruses, or that they do not know
Before I introduce the main body, we'll introduce the basics of cookies
First understand what a cookie is
"Cookies are variables that are stored on the computer of the visitor. This cookie is sent whenever the same computer requests a page through
The similarities and differences between the cookie and session:A. Cookie mechanismCookies are small pieces of text that the server stores on the local machine and are sent to the same server with each request. The IETF RFC 2965 HTTP State
The difference between cookie mechanism and session mechanism*************************************************************************************Specifically, the cookie mechanism is a scheme for maintaining state on the client side, and the
Cookie OverviewIn the previous section, you used an immutable framework to store shopping bar data, and the product display page was constantly changing, although it was not rigorous to achieve a global variable. For example, if you right-click
The birth of a cookie
Because the HTTP protocol is stateless, the server-side business must be stateful. The original purpose of cookies was to store state information in the Web to facilitate server-side use. For example, to determine whether the
Objective
We use PHP to develop the background, we need to save some of the data, and we usually do is to save the database, but sometimes we do not need to save in the database, such as when we log on to the Web page, the site to show the last
I am not surprised that the things I eat are fixed to food. The theme of this week is cookies.
Cookies are used to store specific user information. They provide a useful way for web programs. Over the years, JavaScript developers have done a lot of
An article on "Getting Started with JavaScript language" covers many of the most basic things in the JavaScript language, from creating script tags to using annotations, including JavaScript files in HTML documents, defining variables, using
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