
javascript - What is the Universal Module Definition (UMD)? - Stack ...
Oct 12, 2023 · UMD (Universal Module Definition) patterns for JavaScript modules that work everywhere. ... This repository formalizes the design and implementation of the Universal Module …
javascript - When should I use ?? (nullish coalescing) vs || (logical ...
The nullish coalescing operator (??) in JavaScript only considers null or undefined as "nullish" values. If the left-hand side is any other value, even falsy values like "" (empty string), 0, or false, it will not use …
What's the difference between variable definition and declaration in ...
Dec 29, 2013 · Is this a variable definition or declaration? And why? var x; ..and is the memory reserved for x after this statement? EDIT: In C extern int x; is a declaration, int x = 5; is a definition. What...
How do you produce a .d.ts "typings" definition file from an existing ...
Oct 2, 2012 · How do you produce a .d.ts "typings" definition file from an existing JavaScript library? Asked 13 years, 4 months ago Modified 2 years, 9 months ago Viewed 220k times
javascript - What is lexical scope? - Stack Overflow
Jun 26, 2009 · This is called lexical scoping where " functions are executed using the scope chain that was in effect when they were defined " - according to JavaScript Definition Guide. Lexical scope is a …
Find JavaScript function definition in Chrome - Stack Overflow
20 Another way to navigate to the location of a function definition would be to break in debugger somewhere you can access the function and enter the functions fully qualified name in the console. …
javascript - Definition for rule 'jsdoc/newline-after-description' was ...
Apr 26, 2023 · Looks like that rule was removed/is out of date. Here's an issue to that effect on the eslint jsdoc plugin github site: The rule was removed. Are you relying on a config which uses it? I would …
javascript - VSCODE Jump to the JS file definition (not the .d.ts file ...
May 12, 2022 · I'm sure thousands of other JS devs are feeling the pain I'm feeling. I love jumping to function definitions in .d.ts files while browsing code in VS Code. However, sometimes instead of …
What is the purpose of the dollar sign in JavaScript?
Mar 29, 2022 · Javascript does have types; and in any case, how is the dollar sign even related to that? It's just a character that happens to be a legal identifier in Javascript.
javascript - What is the meaning of "...args" (three dots) in a ...
Feb 12, 2017 · What is the meaning of "...args" (three dots) in a function definition? Asked 9 years ago Modified 3 years, 2 months ago Viewed 120k times