February 17, 2023 - While using destructuring we can use spread operator to ... While destructuring in the javascript arrays or objects we can pick the variables and assign the remaining ones to single variable · To be able to do that we need to use ... (spread syntax) before the variable assignment. Lets have a look at the example below for the array destructuring with spread operator

April 5, 2026 - Show that you know the difference between spread for arrays and objects, and mention that it creates a shallow copy. If the interview is React-focused, show how spread is used for immutable state updates — this is something you will do in almost every React app. The spread operator is used constantly in modern JavaScript and React.

The spread operator (...) in JavaScript allows you to expand elements of an iterable (like an array or object) into individual elements.

Same three dots (...), completely opposite operations. Spread expands one thing into many. Rest collects many things into one. The trick is recognizing which direction is happening: if ... appears on the right side of an assignment or inside ...

March 8, 2026 - Spread operator allows iterables ... by the variable to be expanded. Let’s look at an example where we combine two arrays using the spread operator....

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September 5, 2021 - Interviews · New questions added ... object properties. For example, you can use it to combine arrays, copy arrays, or pass array elements as arguments to a function....

January 16, 2021 - Spread Operator is the features of JavaScript ES6. The syntax of spread operator is three dots (…).

September 5, 2021 - Interviews · New questions added in May 2026 -> Pricing Sign in / up · Get full access · Quiz · Importance · LowDifficulty · Easy · Topics · JavaScript · Edit on GitHub · The spread operator (...) in JavaScript allows you to expand elements of an iterable (like an array or object) into individual elements.

Answer: A closure is a function that has access to its own scope, the outer functions scope, and the global scope. Closures are useful for preserving data privacy and encapsulation. For example: ... Answer: You can convert a NodeList to an array using the Array.from() method or the spread operator ().

March 19, 2025 - The spread operator is used to expand arrays or objects.

July 23, 2025 - That is, it basically spreads out all the elements of an array, and further after spreading the array elements we could perform any operations with those elements like concatenation, copying the elements of an array into another array, and so on.

January 22, 2025 - The spread operator (...) allows an iterable, like an array, to be expanded in places where zero or more arguments or elements are expected. Demonstrate function declaration and expression methods in JavaScript.

January 24, 2021 - The spread operator is also used to spread an array into a list of arguments in a function.

The spread operator (...) expands an iterable, such as an array or string, into individual values.

July 23, 2025 - Example 1: In this example, we will use the spread syntax in the function arguments ... function multiply(...objects){ let ans = 1; for(let i = 0; i < objects.length; i++){ ans *= objects[i]; } console.log(ans); } multiply(8, 2); multiply(9, 4, 6); ...

The ... operator can pass arguments to functions: const numbers = [23,55,21,87,56]; let minValue = Math.min(...numbers); let maxValue = Math.max(...numbers); Try it Yourself » · The ... operator can copy arrays: const arr1 = [1, 2, 3]; const ...