10) Asynchronous Communication
9) Dom creation and modification
Having the ability to create or modify elements on a web page allows you to create dynamic web pages that can change based on user interaction.
8) Loops, Loops, Loops, Loops
Loops are a key component to any programming language. Loops allow you to repeat blocks of code any number of required times saving you from having to write repetitive code. Loops also allow you to iterate through data structures with minimal effort. Understanding how, when and why to use loops is an essential skill for any programmer.
7) Dev Tool Debugging
Arguably one of the harder concepts to grasp for a new developer is scope and is an important concept to understand. There are two main types of scope, global and local. When a variable is declared outside of any function it is considered global and can be accessed virtually anywhere within your code. A variable that is declared within a function is considered local and can only be accessed within that function. This is scope at its very basic and can quickly become far more complex, but understanding these concepts as early as possible will help build a solid foundation for you to build from on your road to becoming a web developer.
5) Functions and Function Calls
Like loops, functions are a fundamental key programming concept that is universal across most programming languages. Functions allow you to encapsulate blocks of code that can be used at a later time by calling the function.
4) Conditional statements
Conditional statements are the base for any logic / decision making that happens within your code. If something is true do this else do this thing. Any and all decisions made within your code will be done by some form of a conditional statement. This allows you to control what your code is doing based on different circumstances and variables.
3) Events and Event Handling
2) Reference versus Value variables and Data Types
Programming is all about data manipulation and processing. Variables are what hold that data (Remember high school algebra? x = y + 3) X and Y are variables that can represent any number. In programming we use variables to hold data in several different formats such as: numbers, strings and boolean. These are considered value variables. Another type of variables are arrays and objects which in the simplest terms are containers that hold groupings of other variables (Think of an egg carton as an array and each egg is a variable that is holding some type of data). Arrays and objects are reference variables. Understanding the difference between the different variable and data types will help you build a strong foundation on your journey to becoming a developer.
As in sports in music, development is all about having a strong foundation and a sound understanding of the fundamentals in which to build and grow your skills. As with a building, the taller the building the deeper the foundation and so it goes if you want to take your development skills to new heights!
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