reading-notes

Class 01 Reading Notes

How does the web work?

• Computers connected to internet: clients & servers

• Clients: ex. computer, mobile phone with web sofware (chrome/firefox)
• Servers store webpages, sites & apps.
• A client accesses a webpage by downloading a copy of it from a server

Beyond the client and server

• Internet connection: enables data exchange with the web
• TCP/IP: protocols that define how data is transported across the internet
• DNS: IP address book
• HTTP: Gives a protocol in terms of communication in terms of languague for communicatipon between clients and servers

HTML

• Comprised of elememnts
• Breaks a document up into secctions. ex head, body, header, main, footer
• Metadata is stored in the head. ex. title, links, keywords

Javascript

• Used to add an interactive component to websites
• Variables are used to store valuables
• let declares a variable
• ; is used to end a statement (only required when there are multiple statements on a line)