Stump’d × JavaScript × GraphQL × Memory Safety × Web History

11 snips

Jul 12, 2023

Wes and Scott engage in a thrilling quiz about JavaScript and HTTP status codes, revealing amusing tech trivia. They discuss the evolution of web technologies, including JavaScript's history and CSS pseudo classes. The conversation dives deep into advanced TypeScript concepts, closures in JavaScript, and asynchronous file I/O in Node.js, while touching on memory safety. They explore object creation methods and the nuances of function declarations versus expressions, wrapping up with insights on modern web development and even the latest in portable laser projectors.

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ANECDOTE

HTTP Status Code 404

Scott asks Wes which HTTP status code represents a "resource not found" error.
Wes answers correctly with 404.

INSIGHT

HTTP Status Code for Authentication

Scott asks about the HTTP status code for client authentication.
Wes and Scott discuss different HTTP status codes, including the less common 409.

ANECDOTE

CSS Origin

Wes asks who proposed separate style sheets for the web.
After considering options, Scott incorrectly guesses Brendan Eich; Wes reveals it was Håkon Wium Lie in 1994 at CERN.

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In this episode of Syntax, Wes and Scott try to stump each other with questions about JavaScript, HTTP status error codes, memory safety, and a bit of web history thrown in.

Show Notes

00:11:07 Welcome
Displaced Gamers
00:46:00 In which year was JavaScript introduced?
02:59:16 What status code is returned by server when a resource isn’t found?
03:32:00 Which http status code indicates the client must authenticate itself?
04:34:17 What is a pseudo class and give an example?
05:15:11 What JavaScript function allows you to delay the execution of a function?
06:02:06 Who first proposed using separate style sheet language for the web?
08:08:14 Which of the following statements about JavaScript strict are true?
08:50:11 What is event driven programming in Node.js?
10:26:08 In GraphQL, how do you mark a field as deprecated?
10:47:24 How does xHTML differ from HTML?
11:48:21 Which of the following statements is true about objects in JavaScript?
13:20:19 What is a type erase in TypeScript?
14:21:23 In TypeScript which syntax can be used to define a user defined type guard?
16:02:12 What is a closure in JavaScript?
17:40:00 Which node.js module provides asynchronus file I/O?
18:54:08 What does memory safety mean?
21:57:11 What does http2 introduce to improve speed?
23:58:05 What are strategies for optimizing HTML5 video?
26:28:11 Which of the following is not a correct way to create a new object?
28:13:20 What is the difference between function declaration and function expression?
30:49:11 What is the value of this inside an arrow function defined in a non-arrow function?
31:22:11 What is a type guard?
33:03:11 What is the order of execution in JavaScript?
35:11:01 Which version of ecmascript was scrapped?
39:41:00 What is the result of the following comparison in JavaScript?
41:37:21 What were the major criticisms of CSS in it’s early days?
46:48:10 SIIIIICK ××× PIIIICKS ×××

××× SIIIIICK ××× PIIIICKS ×××

Scott: Projector
Wes: USB plug

Shameless Plugs

Scott: Sentry
Wes: Wes Bos Tutorials

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