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() …
Why can I use a function before it's defined in JavaScript?
Is hoisting actually "calling the function before it is defined"? Raising the scope of a declared name so that it will be defined for other code under that scope -- that's roughly what JavaScript …
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 exactly does the "class" keyword actually do?
Dec 5, 2023 · Classes in JavaScript simplify the definition of complex structures and inheritance, making them more accessible and manageable, especially for developers experienced with …
javascript - Declaring vs Initializing a variable? - Stack Overflow
Jul 30, 2015 · The global undefined property represents the primitive value undefined. It is one of JavaScript's primitive types. Simply declaring a variable in Javascript, such as var example …
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.
javascript - What is console.log? - Stack Overflow
Dec 27, 2010 · The console.log () is a function in JavaScript which is used to print any kind of variables defined before in it or to just print any message that needs to be displayed to the user.