Javascript Array Slice Example | Array.prototype.slice()

Javascript Array Slice Example | Array.prototype.slice()

Javascript Array Slice Example | Array.prototype.slice() Tutorial. The slice()  method returns a shallow copy of a portion of an array into a new array object selected from beginning to end.

Javascript array slice() is an inbuilt function that returns the shallow copy of the portion of an array into a new array object selected from beginning to end. The slice() method returns the selected elements in an array, as a new array object. The original array will not be modified. So it is a  pure function. The slice() method selects the elements starting at the given start argument, and ends at, but does not include, the given end argument.

Javascript Array Slice Example

The syntax for the Javascript array slice() method is the following.

array.slice(start, end)

The start parameter is optional, and it is the integer that specifies where to start the selection.

The end parameter is optional, and it is the integer that specifies where to end the selection.

Let us take an example by creating a file called app.js and add the following code.

// app.js

let namepartner = ['Pearson', 'Specter', 'Litt'];
let suits = namepartner.slice(1, 2);

console.log(suits);

Javascript Array Slice Example | Array.prototype.slice() Tutorial

So here, what happens under the hood is that when the .slice() method is called frequently, this keyword works as an Array, and then it iterates over an Array.

javascript array.prototype.slice js app.js

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