1. What is React?
2 .what is the framework?
the framework serves a great purpose framework is not flexible, though some claim to be. A framework usually wants you to code everything a certain way.
Server and Node.js
A web server is software and hardware that uses HTTP(Hypertext Transfer Protocol) and other protocols to respond to client requests made over the World Wide Web. The main job of a web server is to display website content through storing, processing and delivering web pages to users. Besides HTTP, web servers also support SMTP (Simple Mail Transfer Protocol) and FTP (File Transfer Protocol), used for email, file transfer and storage.
Web server hardware is connected to the internet and allows data to be exchanged with other connected devices, while web…
2. Stale Closure
2. why use error handling?
Then if we create large apps suppose 1000 line code in the run time has found anyone line error we can not see our output for that reason using error handling. if we use try catch it’s ignore the error code and display the output.
declaration of try..catch
catch is a function it work is before find execution error handle
try work where error have a possibility that’s place
alert(“Inside catch block”)
a variable used to store information ,that value can change in the computer program
if we want declare a variable we just remember 5 thinks first write the key word var or let or const and second give the name of variable third =sign fourth given variable value name and finally give semicolon ;