Block elements take up the full width available, while inline elements only take up as much width as necessary.

• Block elements start on a new line and stack vertically, while inline elements do not start on a new line and stack horizontally.

• Block elements can have margins and padding applied to all four sides, while inline elements only have left and right margins and padding.

• Examples of block elements include

  ,

  , and

  , while examples of inline elements include , , and .

To find second maximum element in an array, sort the array in descending order and return the second element.

• Sort the array in descending order

• Return the second element

Doctype in HTML specifies the version of HTML being used in the document.

• Doctype declaration is not an HTML tag.

• It is used to inform the web browser about the version of HTML being used.

• It is placed at the very beginning of an HTML document before the tag.

• Example:

Different types of testing include unit, integration, system, acceptance, and regression testing.

• Unit testing: testing individual units or components of the software

• Integration testing: testing how different units or components work together

• System testing: testing the entire system as a whole

• Acceptance testing: testing to ensure the software meets the requirements and is ready for release

• Regression testing: testing to ensure that changes or updates to the software do not brea...read more

CSS basics including selectors, properties, and layout techniques.

• Visibility hidden hides an element but still takes up space, while display none removes it completely.

• Pseudo classes and elements allow for styling based on element state or position in the document.

• Selectors include element, class, ID, attribute, and descendant selectors.

• Box model refers to the layout of elements with content, padding, border, and margin.

• Flexbox and grid are layout techniques for creating resp...read more

HTML is a markup language used for creating the structure of web pages, while CSS is a styling language used for designing the appearance of web pages.

• HTML stands for HyperText Markup Language and is used to create the structure of web pages.

• CSS stands for Cascading Style Sheets and is used to style the appearance of web pages.

• HTML uses tags to define elements like headings, paragraphs, images, links, etc.

• CSS allows for styling elements by defining properties like color, font...read more

Hoisting is a JS mechanism where variable and function declarations are moved to the top of their scope.

• Variable declarations are hoisted but not their values

• Function declarations are fully hoisted

• Let and const declarations are not hoisted

Different types of software testing include unit testing, integration testing, system testing, and acceptance testing.

• Unit testing: Testing individual components or modules of the software.

• Integration testing: Testing how different modules work together.

• System testing: Testing the entire system as a whole.

• Acceptance testing: Testing to ensure the software meets the requirements of the end users.

Test cases are a set of conditions used to validate the functionality of software.

• Identify the objective of the software

• Create test cases for each objective

• Test cases should cover all possible scenarios

• Test cases should be repeatable and consistent

• Test cases should be documented and reviewed

SDLC stands for Software Development Life Cycle, a process followed by software development teams to design, develop and test high-quality software.

• SDLC is a process that consists of several phases including planning, analysis, design, development, testing, deployment, and maintenance.

• Each phase has its own set of deliverables and objectives that must be met before moving on to the next phase.

• The goal of SDLC is to produce high-quality software that meets the needs of the end...read more

Bug life cycle is the process of identifying, reporting, resolving, and verifying software defects.

• Bug is identified by testers during testing

• Bug is reported to development team

• Development team resolves the bug

• Bug fix is verified by testers

• Bug is closed if verified or reopened if not fixed

• Bug data is analyzed to prevent future occurrences