![]() This method takes in any number of arguments and creates a new array instance. let myFavoriteFoods = new Array("pizza", "ice cream", "salad") Ĭonsole.log(myFavoriteFoods) // Ĭonsole.log(myFavoriteFoods.length) // 3Ĭonsole.log(myFavoriteFoods) // "ice cream" How to create an array in JavaScript using Array.of()Īnother way to create an array is to use the Array.of() method. We can modify our example to take in multiple parameters and create an array of food items. new Array(3).lengthīut if we try to access any elements of the array, it will come back undefined because all of those slots are currently empty. If we use the length property on the new array, then it will return the number 3. In this example, we are creating an array with a length of 3 empty slots. If a number parameter is passed into the parenthesis, that will set the length for the new array. ![]() const books = Ĭonsole.log(books) How to create an array in JavaScript using the new operator and Array constructorĪnother way to create an array is to use the new keyword with the Array constructor. If we console.log the array, then it will show us all 4 elements listed in the array. The most common way to create an array in JavaScript would be to assign that array to a variable like this: const books = How to create an array in JavaScript using the assignment operator I will also show you how to create an array from a string using the split() method. In this article, I will show you 3 ways you can create an array using JavaScript. ![]() An array is a type of data structure where you can store an ordered list of elements.
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