Tuesday , 19 June 2018
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Tag Archives: variables

Closures – Advanced JavaScript Tutorial

Closures

Closures allow you to take your JavaScript skills to the next level. Closures are used in almost every JavaScript code you’ve ever seen. You’ve probably ended up using it without knowing it. So, what are closures? A closure is a function inside a function. So, what’s so special about this? Well, you can actually access the variables outside of the …

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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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Number Object – JavaScript Tutorial

Number Object

So we’ve talked about objects in general and we discovered a new object called the document object. JavaScript comes with built in objects that you can use. In this tutorial, we take a look at the number object. Number Object Properties Just like other objects, you can access the properties and methods of the number object. Let’s take a look …

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Data Types – JavaScript Tutorial

Data Types

When working with variables, you have to think about the data types you want. While you don’t have to define the data types for any of your variables, it’s always good to know what data type your variable is. What are data types? In programming, all data you create can be categorized into what kind of data it is. Is …

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Comments and Variables – JavaScript Tutorial

Including JavaScript

Something you’ll find yourself using often are comments and variables. Knowing these 2 concepts is absolutely vital to JavaScript and programming in general. Before you get started, you must understand how statements work. Statements When your code is executed in the browser, any white space, indents, and new lines are all erased. While the browser doesn’t really care or need …

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