how to create an array javascript code example
Example 1: c# create array
// Define and Initialize
int[] arr = {1, 2, 3};
// Buuuut:
// Initial defining
int[] arr;
// This works
arr = new int[] {1, 2, 3};
// This will cause an error
// arr = {1, 2, 3};
Example 2: list javascript
//Creating a list
var fruits = ["Apple", "Banana", "Cherry"];
//Creating an empty list
var books = [];
//Getting element of list
//Lists are ordered using indexes
//The first element in an list has an index of 0,
//the second an index of 1,
//the third an index of 2,
//and so on.
console.log(fruits[0]) //This prints the first element
//in the list fruits, which in this case is "Apple"
//Adding to lists
fruits.push("Orange") //This will add orange to the end of the list "fruits"
fruits[1]="Blueberry" //The second element will be changed to Blueberry
//Removing from lists
fruits.splice(0, 1) //This will remove the first element,
//in this case Apple, from the list
fruits.splice(0, 2) //Will remove first and second element
//Splice goes from index of first argument to index of second argument (excluding second argument)
Example 3: javascript array
//create an array like so:
var colors = ["red","blue","green"];
//you can loop through an array like this:
for (var i = 0; i < colors.length; i++) {
console.log(colors[i]);
}
Example 4: how to create an array in node js
// Don't need to provide elements directly, but you can
// FIRST OPTION
var myArray = new Array(/*elements1, elements2*/);
// SECOND OPTION
var mySecondArray = [/*element1, element2*/];
Example 5: array javascript
special_dates = [];
special_dates.push(new Date('2021/02/12').getTime());
special_dates.push(new Date('2021/02/13').getTime());
special_dates.push(new Date('2021/02/14').getTime());
for (var i = 0; i < special_dates.length; i++) {
console.log(special_dates[i]) ;
}
Example 6: how i create array in javascript
var fruits = ['Apple', 'Banana'];
console.log(fruits.length);
// 2