René's URL Explorer Experiment

Title: GitHub - sejas/javascript-questions: A long list of (advanced) JavaScript questions, and their explanations Updated weekly!

Open Graph Title: GitHub - sejas/javascript-questions: A long list of (advanced) JavaScript questions, and their explanations Updated weekly!

X Title: GitHub - sejas/javascript-questions: A long list of (advanced) JavaScript questions, and their explanations Updated weekly!

Description: A long list of (advanced) JavaScript questions, and their explanations :sparkles: Updated weekly! - GitHub - sejas/javascript-questions: A long list of (advanced) JavaScript questions, and their explanations Updated weekly!

Open Graph Description: A long list of (advanced) JavaScript questions, and their explanations :sparkles: Updated weekly! - GitHub - sejas/javascript-questions: A long list of (advanced) JavaScript questions, and their e...

X Description: A long list of (advanced) JavaScript questions, and their explanations :sparkles: Updated weekly! - GitHub - sejas/javascript-questions: A long list of (advanced) JavaScript questions, and their e...

Opengraph URL: https://github.com/sejas/javascript-questions

X: @github

direct link

Domain: patch-diff.githubusercontent.com

route-pattern	/:user_id/:repository
route-controller	files
route-action	disambiguate
fetch-nonce	v2:0dccb1f7-50e2-603c-4ad5-9bd30912b30b
current-catalog-service-hash	f3abb0cc802f3d7b95fc8762b94bdcb13bf39634c40c357301c4aa1d67a256fb
request-id	C500:BA8B4:F62336:14468C6:698193D3
html-safe-nonce	a9955f01c3cb9ffefce3199c436a6a28345d8c4da394a67ffd013b960a5d0c0d
visitor-payload	eyJyZWZlcnJlciI6IiIsInJlcXVlc3RfaWQiOiJDNTAwOkJBOEI0OkY2MjMzNjoxNDQ2OEM2OjY5ODE5M0QzIiwidmlzaXRvcl9pZCI6IjkwODU1MzU1ODU5Mjk2MzA2NzUiLCJyZWdpb25fZWRnZSI6ImlhZCIsInJlZ2lvbl9yZW5kZXIiOiJpYWQifQ==
visitor-hmac	1c7e226a298a7c2418923591f0adf9ac5f0dcc7107bfb3ae96b52076e0df9928
hovercard-subject-tag	repository:192814070
github-keyboard-shortcuts	repository,copilot
google-site-verification	Apib7-x98H0j5cPqHWwSMm6dNU4GmODRoqxLiDzdx9I
octolytics-url	https://collector.github.com/github/collect
analytics-location	//
fb:app_id	1401488693436528
apple-itunes-app	app-id=1477376905, app-argument=https://github.com/sejas/javascript-questions
twitter:image	https://opengraph.githubassets.com/2b2f41fb20ca7fd83dd2bb29377d46f6a736cd1238ca242780cbd505d21c4fb8/sejas/javascript-questions
twitter:card	summary_large_image
og:image	https://opengraph.githubassets.com/2b2f41fb20ca7fd83dd2bb29377d46f6a736cd1238ca242780cbd505d21c4fb8/sejas/javascript-questions
og:image:alt	A long list of (advanced) JavaScript questions, and their explanations :sparkles: Updated weekly! - GitHub - sejas/javascript-questions: A long list of (advanced) JavaScript questions, and their e...
og:image:width	1200
og:image:height	600
og:site_name	GitHub
og:type	object
hostname	github.com
expected-hostname	github.com
None	e137814e266030874fd2c86863529d0622b13889eeda04148c57654b6ea84ad6
turbo-cache-control	no-preview
go-import	github.com/sejas/javascript-questions git https://github.com/sejas/javascript-questions.git
octolytics-dimension-user_id	779993
octolytics-dimension-user_login	sejas
octolytics-dimension-repository_id	192814070
octolytics-dimension-repository_nwo	sejas/javascript-questions
octolytics-dimension-repository_public	true
octolytics-dimension-repository_is_fork	true
octolytics-dimension-repository_parent_id	191529732
octolytics-dimension-repository_parent_nwo	lydiahallie/javascript-questions
octolytics-dimension-repository_network_root_id	191529732
octolytics-dimension-repository_network_root_nwo	lydiahallie/javascript-questions
turbo-body-classes	logged-out env-production page-responsive
disable-turbo	false
browser-stats-url	https://api.github.com/_private/browser/stats
browser-errors-url	https://api.github.com/_private/browser/errors
release	dd58d68a7813bbec9c91422c8c35f4af33832d70
ui-target	full
theme-color	#1e2327
color-scheme	light dark

Links:

Skip to content	https://patch-diff.githubusercontent.com/sejas/javascript-questions#start-of-content
	https://patch-diff.githubusercontent.com/
Sign in	https://patch-diff.githubusercontent.com/login?return_to=https%3A%2F%2Fgithub.com%2Fsejas%2Fjavascript-questions
GitHub CopilotWrite better code with AI	https://github.com/features/copilot
GitHub SparkBuild and deploy intelligent apps	https://github.com/features/spark
GitHub ModelsManage and compare prompts	https://github.com/features/models
MCP RegistryNewIntegrate external tools	https://github.com/mcp
ActionsAutomate any workflow	https://github.com/features/actions
CodespacesInstant dev environments	https://github.com/features/codespaces
IssuesPlan and track work	https://github.com/features/issues
Code ReviewManage code changes	https://github.com/features/code-review
GitHub Advanced SecurityFind and fix vulnerabilities	https://github.com/security/advanced-security
Code securitySecure your code as you build	https://github.com/security/advanced-security/code-security
Secret protectionStop leaks before they start	https://github.com/security/advanced-security/secret-protection
Why GitHub	https://github.com/why-github
Documentation	https://docs.github.com
Blog	https://github.blog
Changelog	https://github.blog/changelog
Marketplace	https://github.com/marketplace
View all features	https://github.com/features
Enterprises	https://github.com/enterprise
Small and medium teams	https://github.com/team
Startups	https://github.com/enterprise/startups
Nonprofits	https://github.com/solutions/industry/nonprofits
App Modernization	https://github.com/solutions/use-case/app-modernization
DevSecOps	https://github.com/solutions/use-case/devsecops
DevOps	https://github.com/solutions/use-case/devops
CI/CD	https://github.com/solutions/use-case/ci-cd
View all use cases	https://github.com/solutions/use-case
Healthcare	https://github.com/solutions/industry/healthcare
Financial services	https://github.com/solutions/industry/financial-services
Manufacturing	https://github.com/solutions/industry/manufacturing
Government	https://github.com/solutions/industry/government
View all industries	https://github.com/solutions/industry
View all solutions	https://github.com/solutions
AI	https://github.com/resources/articles?topic=ai
Software Development	https://github.com/resources/articles?topic=software-development
DevOps	https://github.com/resources/articles?topic=devops
Security	https://github.com/resources/articles?topic=security
View all topics	https://github.com/resources/articles
Customer stories	https://github.com/customer-stories
Events & webinars	https://github.com/resources/events
Ebooks & reports	https://github.com/resources/whitepapers
Business insights	https://github.com/solutions/executive-insights
GitHub Skills	https://skills.github.com
Documentation	https://docs.github.com
Customer support	https://support.github.com
Community forum	https://github.com/orgs/community/discussions
Trust center	https://github.com/trust-center
Partners	https://github.com/partners
GitHub SponsorsFund open source developers	https://github.com/sponsors
Security Lab	https://securitylab.github.com
Maintainer Community	https://maintainers.github.com
Accelerator	https://github.com/accelerator
Archive Program	https://archiveprogram.github.com
Topics	https://github.com/topics
Trending	https://github.com/trending
Collections	https://github.com/collections
Enterprise platformAI-powered developer platform	https://github.com/enterprise
GitHub Advanced SecurityEnterprise-grade security features	https://github.com/security/advanced-security
Copilot for BusinessEnterprise-grade AI features	https://github.com/features/copilot/copilot-business
Premium SupportEnterprise-grade 24/7 support	https://github.com/premium-support
Pricing	https://github.com/pricing
Search syntax tips	https://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
documentation	https://docs.github.com/search-github/github-code-search/understanding-github-code-search-syntax
Sign in	https://patch-diff.githubusercontent.com/login?return_to=https%3A%2F%2Fgithub.com%2Fsejas%2Fjavascript-questions
Sign up	https://patch-diff.githubusercontent.com/signup?ref_cta=Sign+up&ref_loc=header+logged+out&ref_page=%2F%3Cuser-name%3E%2F%3Crepo-name%3E&source=header-repo&source_repo=sejas%2Fjavascript-questions
Reload	https://patch-diff.githubusercontent.com/sejas/javascript-questions
Reload	https://patch-diff.githubusercontent.com/sejas/javascript-questions
Reload	https://patch-diff.githubusercontent.com/sejas/javascript-questions
sejas	https://patch-diff.githubusercontent.com/sejas
javascript-questions	https://patch-diff.githubusercontent.com/sejas/javascript-questions
lydiahallie/javascript-questions	https://patch-diff.githubusercontent.com/lydiahallie/javascript-questions
Notifications	https://patch-diff.githubusercontent.com/login?return_to=%2Fsejas%2Fjavascript-questions
Fork 0	https://patch-diff.githubusercontent.com/login?return_to=%2Fsejas%2Fjavascript-questions
Star 0	https://patch-diff.githubusercontent.com/login?return_to=%2Fsejas%2Fjavascript-questions
0 stars	https://patch-diff.githubusercontent.com/sejas/javascript-questions/stargazers
9.2k forks	https://patch-diff.githubusercontent.com/sejas/javascript-questions/forks
Branches	https://patch-diff.githubusercontent.com/sejas/javascript-questions/branches
Tags	https://patch-diff.githubusercontent.com/sejas/javascript-questions/tags
Activity	https://patch-diff.githubusercontent.com/sejas/javascript-questions/activity
Star	https://patch-diff.githubusercontent.com/login?return_to=%2Fsejas%2Fjavascript-questions
Notifications	https://patch-diff.githubusercontent.com/login?return_to=%2Fsejas%2Fjavascript-questions
Code	https://patch-diff.githubusercontent.com/sejas/javascript-questions
Pull requests 0	https://patch-diff.githubusercontent.com/sejas/javascript-questions/pulls
Actions	https://patch-diff.githubusercontent.com/sejas/javascript-questions/actions
Projects 0	https://patch-diff.githubusercontent.com/sejas/javascript-questions/projects
Security 0	https://patch-diff.githubusercontent.com/sejas/javascript-questions/security
Insights	https://patch-diff.githubusercontent.com/sejas/javascript-questions/pulse
Code	https://patch-diff.githubusercontent.com/sejas/javascript-questions
Pull requests	https://patch-diff.githubusercontent.com/sejas/javascript-questions/pulls
Actions	https://patch-diff.githubusercontent.com/sejas/javascript-questions/actions
Projects	https://patch-diff.githubusercontent.com/sejas/javascript-questions/projects
Security	https://patch-diff.githubusercontent.com/sejas/javascript-questions/security
Insights	https://patch-diff.githubusercontent.com/sejas/javascript-questions/pulse
Branches	https://patch-diff.githubusercontent.com/sejas/javascript-questions/branches
Tags	https://patch-diff.githubusercontent.com/sejas/javascript-questions/tags
	https://patch-diff.githubusercontent.com/sejas/javascript-questions/branches
	https://patch-diff.githubusercontent.com/sejas/javascript-questions/tags
103 Commits	https://patch-diff.githubusercontent.com/sejas/javascript-questions/commits/master/
	https://patch-diff.githubusercontent.com/sejas/javascript-questions/commits/master/
README-bs_BS.md	https://patch-diff.githubusercontent.com/sejas/javascript-questions/blob/master/README-bs_BS.md
README-bs_BS.md	https://patch-diff.githubusercontent.com/sejas/javascript-questions/blob/master/README-bs_BS.md
README-de_DE.md	https://patch-diff.githubusercontent.com/sejas/javascript-questions/blob/master/README-de_DE.md
README-de_DE.md	https://patch-diff.githubusercontent.com/sejas/javascript-questions/blob/master/README-de_DE.md
README-vi.md	https://patch-diff.githubusercontent.com/sejas/javascript-questions/blob/master/README-vi.md
README-vi.md	https://patch-diff.githubusercontent.com/sejas/javascript-questions/blob/master/README-vi.md
README-zh_CN.md	https://patch-diff.githubusercontent.com/sejas/javascript-questions/blob/master/README-zh_CN.md
README-zh_CN.md	https://patch-diff.githubusercontent.com/sejas/javascript-questions/blob/master/README-zh_CN.md
README.md	https://patch-diff.githubusercontent.com/sejas/javascript-questions/blob/master/README.md
README.md	https://patch-diff.githubusercontent.com/sejas/javascript-questions/blob/master/README.md
README_ru-RU.md	https://patch-diff.githubusercontent.com/sejas/javascript-questions/blob/master/README_ru-RU.md
README_ru-RU.md	https://patch-diff.githubusercontent.com/sejas/javascript-questions/blob/master/README_ru-RU.md
README	https://patch-diff.githubusercontent.com/sejas/javascript-questions
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#list-of-advanced-javascript-questions
Instagram	https://www.instagram.com/theavocoder
中文版本	https://patch-diff.githubusercontent.com/sejas/javascript-questions/blob/master/README-zh_CN.md
Русский	https://patch-diff.githubusercontent.com/sejas/javascript-questions/blob/master/README_ru-RU.md
Western Balkan	https://patch-diff.githubusercontent.com/sejas/javascript-questions/blob/master/README-bs.md
Deutsch	https://patch-diff.githubusercontent.com/sejas/javascript-questions/blob/master/README-de_DE.md
Tiếng Việt	https://patch-diff.githubusercontent.com/sejas/javascript-questions/blob/master/README-vi.md
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#1-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-d
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#2-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-c
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#3-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-b
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#4-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-a
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#5-which-one-is-true
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-a-1
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#6-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-a-2
	https://camo.githubusercontent.com/b0735a0bbf49b9c0593c02055504ba50f104f922f4e3f801a9f343baab4a12aa/68747470733a2f2f692e696d6775722e636f6d2f6b6f356b3066732e706e67
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#7-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-c-1
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#8-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-d-1
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#9-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-a-3
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#10-what-happens-when-we-do-this
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-a-4
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#11-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-a-5
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#12-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-a-6
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#13-what-are-the-three-phases-of-event-propagation
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-d-2
	https://camo.githubusercontent.com/f471eaaf9291ea27936a611d420c8e2821087bd4a353e90ab690a3d352570a7b/68747470733a2f2f692e696d6775722e636f6d2f4e31386f5267642e706e67
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#14-all-object-have-prototypes
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-b-1
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#15-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-c-2
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#16-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-c-3
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#17-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-b-2
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#18-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-c-4
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#19-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-c-5
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#20-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-c-6
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#21-whats-value-of-sum
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-a-7
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#22-how-long-is-cool_secret-accessible
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-b-3
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#23-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-b-4
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#24-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-c-7
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#25-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-c-8
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#26-the-javascript-global-execution-context-creates-two-things-for-you-the-global-object-and-the-this-keyword
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-a-8
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#27-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-c-9
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#28-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-a-9
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#29-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-b-5
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#30-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-b-6
	https://camo.githubusercontent.com/65a1e7fc0e2d3ab9bb9f62d99f363e0d134cb34507946c274c2258448f096511/68747470733a2f2f692e696d6775722e636f6d2f58357773484f672e706e67
	https://camo.githubusercontent.com/f7e97c32638e9d09dd2cda99cb08c10fd3196f8776c713ec0ee3ef767539fa3e/68747470733a2f2f692e696d6775722e636f6d2f507663306447712e706e67
	https://camo.githubusercontent.com/51483598327b619094e8482e2b15fad5715a1008ba44aa8abeaa1b799e64fbb9/68747470733a2f2f692e696d6775722e636f6d2f576841326243502e706e67
	https://camo.githubusercontent.com/25aab1f9021845a5547b3b79488e9eb20ab68fe61981142228a9dbbc4438f834/68747470733a2f2f692e696d6775722e636f6d2f4e536e445a6d552e706e67
	https://camo.githubusercontent.com/165ef1a64d20cc8fdeaac1d5893967829e43b3b7ab59e1d9675c23d3c7a80ae3/68747470733a2f2f692e696d6775722e636f6d2f757969536341492e706e67
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#31-what-is-the-eventtarget-when-clicking-the-button
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-c-10
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#32-when-you-click-the-paragraph-whats-the-logged-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-a-10
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#33-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-d-3
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#34-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-b-7
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#35-which-of-these-values-are-falsy
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-a-11
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#36-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-b-8
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#37-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-c-11
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#38-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-a-12
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#39-everything-in-javascript-is-either-a
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-a-13
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#40-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-c-12
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#41-whats-the-output
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-b-9
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#42-what-does-the-setinterval-method-return-in-the-browser
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-a-14
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#43-what-does-this-return
	https://patch-diff.githubusercontent.com/sejas/javascript-questions#answer-a-15
Readme	https://patch-diff.githubusercontent.com/sejas/javascript-questions#readme-ov-file
Please reload this page	https://patch-diff.githubusercontent.com/sejas/javascript-questions
Activity	https://patch-diff.githubusercontent.com/sejas/javascript-questions/activity
0 stars	https://patch-diff.githubusercontent.com/sejas/javascript-questions/stargazers
0 watching	https://patch-diff.githubusercontent.com/sejas/javascript-questions/watchers
0 forks	https://patch-diff.githubusercontent.com/sejas/javascript-questions/forks
Report repository	https://patch-diff.githubusercontent.com/contact/report-content?content_url=https%3A%2F%2Fgithub.com%2Fsejas%2Fjavascript-questions&report=sejas+%28user%29
Releases	https://patch-diff.githubusercontent.com/sejas/javascript-questions/releases
Packages 0	https://patch-diff.githubusercontent.com/users/sejas/packages?repo_name=javascript-questions
	https://github.com
Terms	https://docs.github.com/site-policy/github-terms/github-terms-of-service
Privacy	https://docs.github.com/site-policy/privacy-policies/github-privacy-statement
Security	https://github.com/security
Status	https://www.githubstatus.com/
Community	https://github.community/
Docs	https://docs.github.com/
Contact	https://support.github.com?tags=dotcom-footer

Viewport: width=device-width

URLs of crawlers that visited me.