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URL and press Enterresolvedparsedrendered and displayedmax size 4KB) of data that are stored directly in the browser.part of the HTTP protocol, defined by the RFC 6265 specification
set by a web-server using the response Set-Cookie HTTP-header.One cookie must not exceed 4KB, 20+ cookies per site(depends on the browser)Node.js lets you run JavaScript outside the browser, primarily for building back-end services, tools, or full-stack applications.
Check version
node -v
npm -v
nvm -v
This installs both Node.js and npm (Node Package Manager).
dynamic, weakly typed programming language which is compiled at runtime.reference/object/json)are immutable i.e., they cannot be altered.
Stored in StackCopy by value)== vs ====== –> Strict equal to
!== –> Strict not equal to
0, "", undefined, null, NaNcan be declared anywhere in the file (i.e. also after it’s used)can’t be declared anywhere in the file (i.e. not after it’s used)single objects that contain multiple values stored in a list<script> and </script> tags.<body> or <head> (or both) section of an HTML page.