Use Cases Diagram

Use Case is a behavioral diagramming system. By Use Case diagram we describe “how external entities will use the system”. Here external entities can be human or any other system that will use the newly developing system. In use case description we emphasize The users view of the system i.e. from users perspective how the system look… Read More »

Introduction to Object Oriented Design

What are the Goals of Software Design? Good software design process is like the building of a home. In home building process what is do is- “We discuss the details with architect. Architect listen our requests, convert our request to plan (blueprint). Then the builder will start work according to the blueprint.” Similarly to develop… Read More »

Basic jQuery Attribute filters

Now we will discuss about attribute filters of jQuery. By using attribute filter we can select element by it attribute and the attribute value. Common attribute filters are- $(“[attribute]”) Select all elements those has specified attribute. Example: $(“[class]”).css(“border”,”3px solid red”); Select all the elements from HTML document those contains the class attribute. $(“element[attribute]”) Select all… Read More »

Why we will use Object Oriented Programming

Before OOP programmer were used Procedural programming where code were written in linear fashion i.e. from top to bottom. So when program became larger then programmer faced huge problem to manage and debug the code. So to get rid from such problem taken an attempt and introduced function- break down code into manageable segments. It… Read More »

jQuery filters basic

We already seen that jQuery selectors are very powerful for selecting contents from webpages. Now we will use filters that makes jQuery selectors more powerful. jQuery filters works with selectors and provide more powerful fine-grained control on selecting the elements from HTML document. In jQuery filters are categorized into six(06) different categories. They are- 1.… Read More »

JQuery Selectors

jQuery selectors allows us to select and manipulate HTML elements by their name or id or attributes or type or values. In jQuery all selectors are start with $(). Most common jQuery selectors are- 1. Element Selector 2. Id Selector 3. Class Selector 4. Self-Selector 5. All Elements Selector 6. Attribute Selector 7. Hierarchical Selector… Read More »

Create a Simple jQuery enabled page

Now we will create our simple jQuery enabled page. For our first jQuery example we’re going to keep things simple. What we will do is- Include a reference of jQuery library Then we will write an event handler. It will respond to the page loading in the browser window i.e. our event handler will fire… Read More »

Arrays in JavaScript

Sometimes in our application we need to deal with a list of objects. For instance we might to store a list of products in a shopping cart or the list of colors the use has selected. In such situation we use an array to store that list. Let’s see how we do that- Declare a… Read More »

Object in JavaScript

We have already seen all the primitive types in JavaScript. Now let’s take a look at the reference types. In reference types category we have Object Array Function Now we will discuss about Object. Later we will discuss about Array and function. What is an object? An object in JavaScript and any other programming languages… Read More »