Now that you know that $ is the name of the function, if you are using the jQuery library, then you are calling the function named $ and passing the argument function() {} into it.

Functions are executed when they are " called " or " invoked ". Function to compute the product of two numbers: function name( p1, p2, ... ) { Functions are defined with the function keyword: The function …

May 30, 2010 · It's bed time here, but just for starters, (function($) { })(jQuery); wraps the code so that $ is jQuery inside that closure, even if $ means something else outside of it, usually as the result of …

In this usage, the result of the expression doesn't matter and is discarded.

What is a Function? A function relates an input to an output. It is like a machine that has an input and an output. And the output is related somehow to the input.

Dec 1, 2025 · Function, in mathematics, an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable). Functions are …

Should the function of children's television be to entertain or to enlighten? Surely the function of the law is to protect everyone's rights. Do the lights on this cassette deck have any useful function or are …

function, office, duty, province mean the acts or operations expected of a person or thing. function implies a definite end or purpose or a particular kind of work. office is typically applied to the function …

Functions are often expressed as an equation, such as y = x + 5, meaning that y is a function of x such that for any value of x, the value of y will be 5 greater than x.

Jul 8, 2025 · Generally speaking, a function is a "subprogram" that can be called by code external (or internal, in the case of recursion) to the function. Like the program itself, a function is composed of a …