JS daily question (12)

js A daily topic

common HTTP How much do you know about the status code ？ Describe the following status codes
**HTTP The status code is used to represent the web server HTTP Responding to the state of 3 Digit code .
（1）、200, The request is successful , Everything is all right , Data returned successfully
（2）、301, Permanent redirection , It means that the requested document is elsewhere ; Document new URL It will be given in the positioning response information . The browser will automatically connect to the new URL.
（3）、302, Temporary redirection , The status code indicates that the requested resource has been assigned a new URL, Hope users （ This time ） Can use the new URL visit .
（4）、303, The status code indicates that there is another URL, You should use GET Method defines the resource requested from .
（5）、403,Foribidden The server side understands this request , But refused to perform the task , No access .
（6）、404,NOT,found Requested resources , Page cannot be found , non-existent .url error .
（7）、503, The server cannot respond , The server cannot respond due to maintenance or overload .
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