Vuetify vs. Quasar: Which is the Best Vue.js Component Library?

Vuetify vs. Quasar: Which is the Best Vue.js Component Library?

Vuetify vs. Quasar: Which is the Best Vue.js Component Library? Vue.js is awesome and so is Quasar and Vuetify. Which one should you choose for your Vue.js component library? Let's look!

Vuetify vs. Quasar: Which is the Best Vue.js Component Library?
Vue.js is awesome and so is Quasar and Vuetify. Which one should you choose for your Vue.js component library? Let's look!

Vuetify vs. Vuesax: What's the Difference?

Vuetify vs. Vuesax: What's the Difference?

Vuetify vs. Vuesax: What's the Difference? Vue.js has a lot of cool component libraries, but what is the difference between Vuesax and Vuetify! Let's take a quick look at both!

Vue.js has a lot of cool component libraries, but what is the difference between Vuesax and Vuetify! Let's take a quick look at both!

JavaScript Tutorial: if-else Statement in JavaScript

JavaScript Tutorial: if-else Statement in JavaScript

This JavaScript tutorial is a step by step guide on JavaScript If Else Statements. Learn how to use If Else in javascript and also JavaScript If Else Statements. if-else Statement in JavaScript. JavaScript's conditional statements: if; if-else; nested-if; if-else-if. These statements allow you to control the flow of your program's execution based upon conditions known only during run time.

Decision Making in programming is similar to decision making in real life. In programming also we face some situations where we want a certain block of code to be executed when some condition is fulfilled.
A programming language uses control statements to control the flow of execution of the program based on certain conditions. These are used to cause the flow of execution to advance and branch based on changes to the state of a program.

JavaScript’s conditional statements:

  • if
  • if-else
  • nested-if
  • if-else-if

These statements allow you to control the flow of your program’s execution based upon conditions known only during run time.

  • if: if statement is the most simple decision making statement. It is used to decide whether a certain statement or block of statements will be executed or not i.e if a certain condition is true then a block of statement is executed otherwise not.
    Syntax:
if(condition) 
{
   // Statements to execute if
   // condition is true
}

Here, condition after evaluation will be either true or false. if statement accepts boolean values – if the value is true then it will execute the block of statements under it.
If we do not provide the curly braces ‘{‘ and ‘}’ after if( condition ) then by default if statement will consider the immediate one statement to be inside its block. For example,

if(condition)
   statement1;
   statement2;

// Here if the condition is true, if block 
// will consider only statement1 to be inside 
// its block.

Flow chart:

Example:

<script type = "text/javaScript"> 

// JavaScript program to illustrate If statement 

var i = 10; 

if (i > 15) 
document.write("10 is less than 15"); 

// This statement will be executed 
// as if considers one statement by default 
document.write("I am Not in if"); 

< /script> 

Output:

I am Not in if
  • if-else: The if statement alone tells us that if a condition is true it will execute a block of statements and if the condition is false it won’t. But what if we want to do something else if the condition is false. Here comes the else statement. We can use the else statement with if statement to execute a block of code when the condition is false.
    Syntax:
if (condition)
{
    // Executes this block if
    // condition is true
}
else
{
    // Executes this block if
    // condition is false
}


Example:

<script type = "text/javaScript"> 

// JavaScript program to illustrate If-else statement 

var i = 10; 

if (i < 15) 
document.write("10 is less than 15"); 
else
document.write("I am Not in if"); 

< /script> 

Output:

i is smaller than 15
  • nested-if A nested if is an if statement that is the target of another if or else. Nested if statements means an if statement inside an if statement. Yes, JavaScript allows us to nest if statements within if statements. i.e, we can place an if statement inside another if statement.
    Syntax:
if (condition1) 
{
   // Executes when condition1 is true
   if (condition2) 
   {
      // Executes when condition2 is true
   }
}

Example:

<script type = "text/javaScript"> 

// JavaScript program to illustrate nested-if statement 

var i = 10; 

if (i == 10) { 

// First if statement 
if (i < 15) 
	document.write("i is smaller than 15"); 

// Nested - if statement 
// Will only be executed if statement above 
// it is true 
if (i < 12) 
	document.write("i is smaller than 12 too"); 
else
	document.write("i is greater than 15"); 
} 
< /script> 

Output:

i is smaller than 15
i is smaller than 12 too
  • if-else-if ladder Here, a user can decide among multiple options.The if statements are executed from the top down. As soon as one of the conditions controlling the if is true, the statement associated with that if is executed, and the rest of the ladder is bypassed. If none of the conditions is true, then the final else statement will be executed.
if (condition)
    statement;
else if (condition)
    statement;
.
.
else
    statement;


Example:

<script type = "text/javaScript"> 
// JavaScript program to illustrate nested-if statement 

var i = 20; 

if (i == 10) 
document.wrte("i is 10"); 
else if (i == 15) 
document.wrte("i is 15"); 
else if (i == 20) 
document.wrte("i is 20"); 
else
document.wrte("i is not present"); 
< /script> 

Output:

i is 20

Building a Powerful Virtual Machine in JavaScript

Building a Powerful Virtual Machine in JavaScript

This JavaScript tutorial explains how to build a powerful Virtual Machine in JavaScript. A flexible, extensible, register-based virtual machine. Support for signed, unsigned and floating point operations. A call stack. Interrupt capabilities. Ability to do memory mapping for IO. An assembly language with macro and module support. A higher level, C like language. We'll use and expand the library from the parser combinators from scratch series. And finally, to be able to take the whole thing into the browser and exend it to create a sort of fantasy console - an emulator for a machine that never existed

16-Bit Virtual Machine in JavaScript 001

In this episode we begin implementing a 16-bit virtual machine from scratch in JavaScript. The concepts of computation are introduced, along with the basics of assembly language and machine code.

Memory Access and Branching (16-Bit VM in JavaScript 002)

In this video we establish the core instruction set of the VM, give the VM the capabilities to read and write to main memory, and also to make decisions about how the program should proceed with branching instructions.

What is the Stack and why do we need it? (16-Bit VM in JavaScript 003)

In this episode we understand what a stack is, how it can be implemented on the lowest level, and how it can then be harnessed to allow the Virtual Machine to run subroutines without losing state.

Implementing Stack Mechanics (16-Bit VM in JavaScript 004)

In this episode, we create an implementation for the stack mechanisms that were described in the last episode.

What is Memory Mapped I/O? (16-Bit VM in JavaScript 005)

This this episode we implement memory mapped I/O, where the address space is utilised as common bus for components to communicate.