(The front end face questions Encyclopedia, continuously updating)
- Enter the url of a series of processes
- http cache (cache entry into force of the case), the next expansion
- Similarities and differences get in the post, POST general what types of files can be sent
- What's wrong with the place jsonp
- http request header (packet header http request what is?)
- http status codes
- Cross-domain issues (jsonp implementation, how to achieve more jsonp, cors cross-domain, what is the first request)
- The difference between http and https
- xss, csrf how to deal with two
- Security csrf, xss localStorage and cookie who is more secure
- http
- https? HTTPs why you want to use asymmetric encryption and symmetric encryption two encryption modes?
- http2.0
- the difference between http and https, symmetric encryption and asymmetric encryption, tcpip (a process between this and why)
- https process?
- http What are some ways? What option do?
- TCP and UDP understand it?
- Said three-way handshake? Why not a two-way handshake?
- xss attack is what form? How to prevent? vue fact has helped us to do prevention, v-html = "xxx", xxx what is
- preflighted Requests preflight request to understand what
- Associated with the cache header which of several? What are the contents? If last-modified, query the server, the data is not updated (last-Modified and the like), which code returned to the client?
- DNS resolution process
- Where the cookie to http requests, set the field can carry anything cookie?
- What cookie attributes, size, browser how to prohibit others access to cookie
- url configuration;
- Talk about same-origin policy;
- Why TCP fourth waved to wait 2MSL, (a little error)
- .http structure
- cookie and session difference? The difference cookie localStorage sessionStorage
- Multiplexing and long connection What does it mean difference, how long connection settings
- .fetch request how hair
- Then how to continue after retransmission upload files off (should mean)
- https encryption process
- Three-way handshake, and four waving flags, time-wait, etc.
- Http cache-related properties of the head, forced caching, caching negotiation, priority, and meta tags
- Question cache hit rate, how to ensure that all the data cache, the cache hit rate is not 100% how should I do
- Congestion control, flow control
- Based on what the DHCP protocol (UDP)
- cache-control parameters
- tcp congestion mechanism
- The difference between threads and processes, space allocation, resource allocation, etc.
- How to prevent transmission of the data to be modified, that is how to ensure that data is sent and received when the content is not changed?
- how fetch request sent