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Tag Archives: objects

Array Methods – Advanced JavaScript Tutorial

Array Methods

If you’ve seen my beginner JavaScript tutorials, then you already know about arrays. In this tutorial, we’ll discus a couple of handy array methods for iterating through arrays. Iterative Methods As you may know, the for in loop is a great way to loop through all the items in an array. However, arrays come with 5 methods for looping through …

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Garbage Collection – Advanced JavaScript Tutorial

Garbage Collection

It’s time to take out the trash! No, not the one in your home. I’m talking about the one in your programs. For every object you create, you take up memory in the visitor’s computer. It isn’t just in some imaginary storage. JavaScript will free up space when you have objects that are no longer in use. This is what’s …

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Nesting Objects and Arrays – JSON Tutorial

Nesting objects and arrays

Let’s talk about nesting JSON data. We’ll learn about nesting objects and arrays. Let’s update our script to this. [crayon-5b30eea48329d978996016/] Inside our JSON object, we store 2 other JSON objects. Since we do it this way, we now have access to the other JSON objects. This makes it easier to manage and store data. Let’s learn how to access the …

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Animation – JavaScript Tutorial

Animation

Animation is an exciting topic in JavaScript. There are many tools out there to perform animations from basic to advance. Some of these tools are actual programs that allow you to input some numbers and then it takes care of the programming part of it. In this mini tutorial series, we’re going to be creating animations with pure JavaScript. Animating …

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For In Loop – JavaScript Tutorial

For In Loop

The for in loop in JavaScript is a special kind of loop. It’s specifically designed for arrays and objects. It allows you to loop through an array or object’s elements or properties. Let’s take a look at how to do this. Clear your script and add this bit of code. [crayon-5b30eea4845d4781048501/] You create an array. Next, we create our for …

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Multidimensional Arrays – JavaScript Tutorial

Multidimensional Arrays

When you hear the word multidimensional you think of space and time. In programming, it’s far more simpler than that. Multidimensional arrays are just arrays within arrays. Yes, it’s possible! Don’t worry, this tutorial doesn’t have any surprised ;). Let’s clear your script and add this bit of code into it. [crayon-5b30eea484c1a482472211/] I create a variable named people and insert …

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Associative Arrays – JavaScript Tutorial

Associative Arrays

Today’s tutorial comes with a little surprise. Today, we’ll be talking about “associative arrays.” If you’ve programmed before, then you probably know what these are. If you don’t, then don’t worry. I’ll explain it in a bit. Creating An Associative Array Clear your script and add this bit of code. [crayon-5b30eea48512c613816941/] We create a variable named jack and make it …

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Creating Properties and Methods – JavaScript Tutorial

Creating Properties and Methods

In this tutorial, we will be working with the Car class we created in the last tutorial. You’ll learn how to create properties and methods. Creating properties and methods in JavaScript is relatively simple. Creating A Property As previously discussed, a property is just a variable for an object. Creating a property in an object is different than creating a …

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Objects – JavaScript Tutorial

Objects

Object oriented programming is a topic for intermediate programmers. It can be a very confusing and discouraging topic. JavaScript utilizes objects often so learning about OOP (object oriented programming) early is important. I won’t be going in depth in OOP until later tutorials, but for now, I’ll be covering the basics and what you need to know. What are Objects? …

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Properties and Methods – PHP OOP Tutorial

Properties and Methods

Now, that we’ve covered some of the basics about object oriented programming, let’s move onto the next step. We’re going to learn about properties and methods. We’ll learn about what they are and how to use them. Using Properties and Methods Open up your pet.class.php file and update our class to this. [crayon-5b30eea48624a954288273/] We create a variable named petName. We …

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