
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 …
language agnostic - What is a callback function? - Stack Overflow
May 5, 2009 · In Javascript, or more specifically jQuery, for example, you can specify a callback argument to be called when an animation has finished. In PHP, the preg_replace_callback() …
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 …
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 8 years, 9 months ago Modified 3 years ago Viewed 120k times
What is client side javascript and what is server side javascript?
Sep 10, 2009 · JavaScript is commonly believed just to run on browsers- this is incorrect. When I was a classic ASP developer we had the choice of VBScript or JavaScript server side (we also …
How does inline Javascript (in HTML) work? - Stack Overflow
Inline JavaScript in HTML allows scripts to be embedded directly within the HTML code, enabling dynamic content and interactive features on web pages.
What is “assert” in JavaScript? - Stack Overflow
while JavaScript supports console.assert(), it's just a logging method and won't interrupt current procedure if assertion failed. To bring things together and satisfy various needs, here is a tiny …
What is an interface in JavaScript? - Stack Overflow
May 3, 2021 · Note that the "interface" definition you're linking to is not exactly a JavaScript thing, but more of a thing for web APIs. In other implementations of JavaScript not in browsers (for …
How can I go to the implementation of something instead of its ...
Quoting from that last one: One of VS Code's longest standing and most upvoted feature requests is to make VS Code navigate to the JavaScript implementation of functions and symbols from …
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 …