René's URL Explorer Experiment


Title: WeakMap and WeakSet

Open Graph Title: WeakMap and WeakSet

X Title: WeakMap and WeakSet

X: @iliakan

direct link

Domain: javascript.info

Hey, it has json ld scripts: 
{"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Tutorial","item":"https://javascript.info/"},{"@type":"ListItem","position":2,"name":"The JavaScript language","item":"https://javascript.info/js"},{"@type":"ListItem","position":3,"name":"Data types","item":"https://javascript.info/data-types"}]}
apple-mobile-web-app-capableyes
msapplication-TileColor#222A2C
msapplication-TileImage/img/favicon/tileicon.png
NoneIlya Kantor
og:imagehttps://javascript.info/img/site_preview_en_1200x630.png
og:image:typeimage/png
og:image:width1200
og:image:height630
fb:admins100001562528165
twitter:cardsummary
twitter:creator@iliakan
twitter:imagehttps://javascript.info/img/site_preview_en_512x512.png
google-adsense-accountca-pub-6204518652652613
og:typearticle

Links:

ARعربيhttps://ar.javascript.info/weakmap-weakset
ENEnglishhttps://javascript.info/weakmap-weakset
ESEspañolhttps://es.javascript.info/weakmap-weakset
FAفارسیhttps://fa.javascript.info/weakmap-weakset
FRFrançaishttps://fr.javascript.info/weakmap-weakset
IDIndonesiahttps://id.javascript.info/weakmap-weakset
ITItalianohttps://it.javascript.info/weakmap-weakset
JA日本語https://ja.javascript.info/weakmap-weakset
KO한국어https://ko.javascript.info/weakmap-weakset
RUРусскийhttps://learn.javascript.ru/weakmap-weakset
TRTürkçehttps://tr.javascript.info/
UKУкраїнськаhttps://uk.javascript.info/weakmap-weakset
UZOʻzbekhttps://uz.javascript.info/weakmap-weakset
ZH简体中文https://zh.javascript.info/weakmap-weakset
Help to translatehttps://javascript.info/translate
https://javascript.info/
BuyEPUB/PDFhttps://javascript.info/ebook
Tutorial maphttps://javascript.info/tutorial/map
https://twitter.com/share?url=https%3A%2F%2Fjavascript.info%2Fweakmap-weakset
https://www.facebook.com/sharer/sharer.php?s=100&p%5Burl%5D=https%3A%2F%2Fjavascript.info%2Fweakmap-weakset
Tutorialhttps://javascript.info/
The JavaScript languagehttps://javascript.info/js
Data typeshttps://javascript.info/data-types
Garbage collectionhttps://javascript.info/garbage-collection
WeakMaphttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap
WeakMaphttps://javascript.info/weakmap-weakset#weakmap
Maphttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map
WeakMaphttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap
https://javascript.info/weakmap-weakset
https://javascript.info/weakmap-weakset
weakMap.set(key, value)https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap/set
weakMap.get(key)https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap/get
weakMap.delete(key)https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap/delete
weakMap.has(key)https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap/has
Use case: additional datahttps://javascript.info/weakmap-weakset#use-case-additional-data
Use case: cachinghttps://javascript.info/weakmap-weakset#use-case-caching
https://javascript.info/weakmap-weakset
https://javascript.info/weakmap-weakset
https://javascript.info/weakmap-weakset
https://javascript.info/weakmap-weakset
WeakSethttps://javascript.info/weakmap-weakset#weakset
WeakSethttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakSet
addhttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Weakset/add
hashttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Weakset/has
deletehttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Weakset/delete
https://javascript.info/weakmap-weakset
https://javascript.info/weakmap-weakset
Summaryhttps://javascript.info/weakmap-weakset#summary
WeakMaphttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap
WeakSethttps://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakSet
Taskshttps://javascript.info/weakmap-weakset#tasks
Store "unread" flagshttps://javascript.info/weakmap-weakset#store-unread-flags
https://javascript.info/task/recipients-read
https://javascript.info/weakmap-weakset
https://javascript.info/weakmap-weakset
Store read dateshttps://javascript.info/weakmap-weakset#store-read-dates
https://javascript.info/task/recipients-when-read
previous taskhttps://javascript.info/task/recipients-read
Previous lessonhttps://javascript.info/map-set
Next lessonhttps://javascript.info/keys-values-entries
https://twitter.com/share?url=https%3A%2F%2Fjavascript.info%2Fweakmap-weakset
https://www.facebook.com/sharer/sharer.php?s=100&p%5Burl%5D=https%3A%2F%2Fjavascript.info%2Fweakmap-weakset
Tutorial maphttps://javascript.info/tutorial/map
Commentshttps://javascript.info/weakmap-weakset#comments
submit a GitHub issuehttps://github.com/javascript-tutorial/en.javascript.info/issues/new
plnkrhttps://plnkr.co/edit/?p=preview
jsbinhttps://jsbin.com
codepenhttp://codepen.io
https://javascript.info/tutorial/map
Data typeshttps://javascript.info/data-types
WeakMaphttps://javascript.info/weakmap-weakset#weakmap
Use case: additional datahttps://javascript.info/weakmap-weakset#use-case-additional-data
Use case: cachinghttps://javascript.info/weakmap-weakset#use-case-caching
WeakSethttps://javascript.info/weakmap-weakset#weakset
Summaryhttps://javascript.info/weakmap-weakset#summary
Tasks (2)https://javascript.info/weakmap-weakset#tasks
Commentshttps://javascript.info/weakmap-weakset#comments
https://twitter.com/share?url=https%3A%2F%2Fjavascript.info%2Fweakmap-weakset
https://www.facebook.com/sharer/sharer.php?s=100&p[url]=https%3A%2F%2Fjavascript.info%2Fweakmap-weakset
Edit on GitHubhttps://github.com/javascript-tutorial/en.javascript.info/blob/master/1-js/05-data-types/08-weakmap-weakset
about the projecthttps://javascript.info/about
contact ushttps://javascript.info/about#contact-us
terms of usagehttps://javascript.info/terms
privacy policyhttps://javascript.info/privacy

Viewport: width=device-width, initial-scale=1, user-scalable=yes, minimum-scale=1.0

URLs of crawlers that visited me.