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9 wrz 2024 · A function in JavaScript is similar to a procedure—a set of statements that performs a task or calculates a value, but for a procedure to qualify as a function, it should take some input and return an output where there is some obvious relationship between the input and the output.
A JavaScript function is a block of code designed to perform a particular task. A JavaScript function is executed when "something" invokes it (calls it). Example. // Function to compute the product of p1 and p2. function myFunction (p1, p2) { return p1 * p2; } Try it Yourself » JavaScript Function Syntax.
A function expression in JavaScript is a way to define a function as an expression, rather than as a statement. It can be anonymous, or it can have a name. The function is defined and assigned to a variable, and it can be used later by referencing that variable.
A function is an independent block of code that performs a specific task, while a function expression is a way to store functions in variables. Here's a quick example of function and function expression.
Przykłady JS - JS. W tym rozdziale znajdziesz wykaz wszystkich przykładów kodu źródłowego, które znajdują się w kategorii JS. Aby sprawdzić bardziej szczegółowy opis, kliknij odnośnik "Zobacz więcej..." pod wybraną grupą przykładów.
23 wrz 2024 · Browser Application Programming Interfaces (APIs) built into web browsers, providing functionality such as dynamically creating HTML and setting CSS styles; collecting and manipulating a video stream from a user's webcam, or generating 3D graphics and audio samples.
Learn about the different types of functions in JavaScript, including function declaration, Function Expression, Arrow function, IIFEs, Generator Function, Async Function, and Constructor Function.
