reloparticles.blogg.se - Slice method in javascript

They make it possible to manage, sort, transform, and perform the necessary data manipulations when required. So, the power of JS arrays lies in their methods.

It is used to hold multiple values in one variable.Ī pair of square brackets denotes an array, the pieces are divided by commas, while the location of an element is indicated by an index.

We do not need to specify the size of the array in advance – it changes (increases/decreases) automatically

It stores values of mixed types, which can contain numbers, strings, and units from other arrays.Unlike other languages, where an array is a reference to multiple variables, in JavaScript it is the only variable that can store multiple pieces: To work with an array, developers usually apply the built-in functions provided like JavaScript slice.

When we want to store a list of certain parts and then access them with a single variable, that’s when we use an array. An array in JavaScript is an ordered list of elements with a specified index (the key to them).