Arrays in C#
Arrays are basically a list of items of the same type that are grouped together in a single container. Unlike variables which can only contain one value at a time, …
Slicing (splitting) and merging arrays in PHP
This tutorial explains how to splice (split) an array into more than one array by specifying a new array and where to split the existing array, and also how to …
Sorting arrays in PHP
This tutorial explains how to sort arrays in PHP. You will learn how to sort both regular arrays by their value and associative arrays by their key. You will also …
Associative arrays in PHP
An associative array is an array that use keys instead of index numbers for each element in the array. Keys in the array are given a value. Keys can only be used …
Looping through arrays with PHP
This tutorial explains how to loop through the elements in a PHP array. This works by using a for loop that will access elements in the array by their index. For each …
Modify existing values in a PHP array
This tutorial explains how to modify existing values in a PHP array. It’s pretty simple – all you need to do is refer to the array and its index and …
Arrays in PHP
An array is a structured data type that contains a number of related data items. It is kind of like a list eg. $months = array(0,1,2,3,4,5); creates an array that contains …
Introduction to JSON
JSON stands for JavaScript Object Notation. JSON is a light-weight data interchange format that uses JavaScript syntax in text format that can be read and used as data by other …
Multi-dimension arrays in JavaScript
This tutorial will explain how to create, access, and modify elements in a multi-dimension array. In the example here, we will work with a 2D (two-dimension) array in JavaScript. We …
Finding the length of arrays (and strings)
Sometimes you might need to find out how many elements exist in an array (that is, the length of the array). The sample code below shows exactly how to do …
Arrays
Arrays are very useful in any programming language. When you use a simple variable, you can only store one value. For example age = 17 or name = “Harry”. But …
Finding the length of arrays and strings in JavaScript
This tutorial explains how to find the length of an array (how many elements are in an array), the length of an element in an array, and the length of …
Arrays in JavaScript
This tutorial explains how to create an array in JavaScript. An array is a data structure (a way of storing and organising data) which, unlike variables, can store more than one value …
Working with Strings in JavaScript
This video tutorial explains some different tasks you can perform with strings including: how to concatenate (join) strings together how to convert from integer to string ho to change text to uppercase or lowercase letters …