You asked: What is result in JavaScript?

The result is a JavaScript ArrayBuffer containing binary data. … The result is a string with a data: URL representing the file’s data.

What does result mean in JavaScript?

result” = The last value returned by an event handler that was triggered by this event, unless the value was undefined.

What is result in jQuery?

result is an inbuilt property in jQuery which is used to find the last and previous value returned by an event handler started by the specified event.

What is $() in JavaScript?

The $() function

The dollar function, $(), can be used as shorthand for the getElementById function. To refer to an element in the Document Object Model (DOM) of an HTML page, the usual function identifying an element is: document.

What is f () in JavaScript?

1. Because in Javascript there also exists the ‘Function’ function (with uppercase F), which is different: Function is a constructor function that can create new function objects, whereas function is a keyword.

What is JavaScript result in MVC?

JavaScript result sends JavaScript content to the response. … In the JavaScript result method we get a div element and update its content using JavaScript.

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Why do we use return in JavaScript?

The return statement stops the execution of a function and returns a value from that function.

What does jQuery click return?

Return Value: It returns the selected element with specified function to perform.

What is event handler in jQuery?

jQuery provides simple methods for attaching event handlers to selections. When an event occurs, the provided function is executed. … The event handling function can receive an event object. This object can be used to determine the nature of the event, and to prevent the event’s default behavior.

What is image in JavaScript?

The image() object in JavaScript.

JavascriptWeb DevelopmentObject Oriented Programming. The image object represents the HTML element.

What does => mean in programming?

In javascript the => is the symbol of an arrow function expression. A arrow function expression does not have its own this binding and therefore cannot be used as a constructor function.

What does 3 dots in JavaScript mean?

(three dots in JavaScript) is called the Spread Syntax or Spread Operator. This allows an iterable such as an array expression or string to be expanded or an object expression to be expanded wherever placed. This is not specific to React. It is a JavaScript operator.

What is callback in JavaScript?

In JavaScript, a callback is a function passed into another function as an argument to be executed later. … When you pass a callback function into another function, you just pass the reference of the function i.e., the function name without the parentheses () .

What is JavaScript closure?

A closure is the combination of a function bundled together (enclosed) with references to its surrounding state (the lexical environment). … In JavaScript, closures are created every time a function is created, at function creation time.

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What are prototypes in JavaScript?

Prototypes are the mechanism by which JavaScript objects inherit features from one another. In this article, we explain how prototype chains work and look at how the prototype property can be used to add methods to existing constructors. Note: This article covers traditional JavaScript constructors and classes.