What is Destructuring in JavaScript?
What is Destructuring in JavaScript? Destructuring is a JavaScript expression that makes it possible to unpack values from arrays, or properties from objects, into distinct variables. That is, we can extract data from arrays and objects and assign them to variables. Object Destructuring in JavaScript For example, suppose we have an array of numbers: const numbers = [ 1 , 2 , 3 , 4 , 5 ]; If we want to access the first and second elements of the array, we can use the index notation: const first = numbers[ 0 ]; const second = numbers[ 1 ]; However, using destructuring, we can achieve the same result with a more concise syntax: const [ first , second ] = numbers; The above code assigns the first and second elements of the array to the variables first and second , respectively. The square brackets on the left-hand side of the assignment indicate that we are destructuring an array. Similarly, we can destructure an object by using curly braces on the left-hand side of the assignment. Fo...