What does the Promise object in JavaScript represent?OptionsA synchronous operationA regular JavaScript objectAn array of valuesAn asynchronous operation that may produce a value in the future

What does the Promise.race() method do in JavaScript?OptionsReturns a promise that resolves when all promises in the iterable resolveResolves or rejects as soon as one of the promises in the iterable resolves or rejectsExecutes all promises in parallel and returns an array of their resultsWaits for all promises in the iterable to resolve

What is the purpose of "promises" in Node.js development, and how do they differ from callbacks?(1 Point)Promises are used for debugging code, and they are interchangeable with callbacks.Promises are a way to handle asynchronous operations in a more readable and structured manner compared to callbacks.Promises are a type of callback.Promises are used for caching data

What does the Object.keys(obj) method return in JavaScript?OptionsAn array of the object's own enumerable property namesThe object itselfAn array of all properties, including non-enumerable onesThe object's prototype

What does the this keyword refer to in a JavaScript constructor function?OptionsIt refers to the first parameter passed to the constructorIt refers to the object being constructedIt refers to the global objectIt refers to the parent object

What does the "closure" refer to in JavaScript?OptionsA function that has no parametersA function nested inside another function that has access to the outer function's variablesA function that returns a valueA function with a callback parameter