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- #How to write computer code for apps how to
- #How to write computer code for apps full
- #How to write computer code for apps software
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Access the user's email from the DOM and store it in a variable.Derive an email regular expression (regex) to test the user's email address against.When a user fills in a form and clicks the submit button, execute a ValidateEmail function. To illustrate this, I am going to refer back to a very simple program I wrote in my last article:
#How to write computer code for apps software
Pseudocode is a very intuitive way to develop software programs.
#How to write computer code for apps full
This is possible because you are in full control of everything, which is one of the great features of pseudocode. It helps you explain exactly what each line in a software program should do. Planning computer algorithms with pseudocode makes you meticulous. You can get quality code from many platforms online, but you have to learn problem solving and practice it a lot. This is because the importance of problem solving supersedes the ability to ‘hack’ computer code. In fact, many companies organize programming tests for their interviewees in pseudocode. You won’t have to overwhelm your brain with coding syntax. Pseudocode is a great way of getting started with software programming as a beginner. It allows you to plan instructions which follow a logical pattern, without including all of the technical details.
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Pseudocode acts as the bridge between your brain and computer’s code executor. Since pseudocode is an informal method of program design, you don’t have to obey any set-out rules. But you write pseudocode in a language or form with which you're very familiar. When you're writing code in a programming language, you’ll have to battle with strict syntax and rigid coding patterns. You just have to be able to explain what you're thinking and doing.
#How to write computer code for apps how to
In pseudocode, you don't have to think about semi-colons, curly braces, the syntax for arrow functions, how to define promises, DOM methods and other core language principles. It doesn’t matter what language you use to write your pseudocode. With pseudocode, however, it’s the exact opposite. Even with the invention of high-level, human-readable languages like JavaScript and Python, it’s still pretty hard for an average human developer to reason and program in those coding languages. The language of a computer is very rigid: you are not allowed to make any mistakes or deviate from the rules. You see, computers and human beings are quite different, and therein lies the problem. It is an informal and contrived way of writing programs in which you represent the sequence of actions and instructions (aka algorithms) in a form that humans can easily understand. Writing code is how you implement it for the machine. A program is a set of instructions that defines the behaviour of your software application. Programming is the manifestation of logic. You might be wondering what pseudocode is and why it's so useful for writing computer programs.īut before we jump into pseudocode, let's refresh our memories about what programming and coding are, in the simplest sense.