Web UI Designer Interview Questions and Answers

To manage conflicting JavaScript on a page, we can use various techniques like namespacing, modularization, and event delegation.

• Use namespacing to encapsulate code and prevent conflicts

• Modularize code into smaller, reusable components

• Use event delegation to handle events on dynamically loaded elements

• Avoid global variables and use local scopes

• Use a JavaScript module bundler like Webpack to manage dependencies

The display property attributes determine how an element is rendered on a webpage.

• display: block makes an element a block-level element, taking up the entire width of its parent container

• display: inline makes an element an inline-level element, allowing other elements to be displayed on the same line

• display: inline-block makes an element an inline-level element, but with the ability to set width and height properties

Use CSS flexbox to manage blocks with same height

• Apply display: flex; to the container element

• Set flex-grow: 1; on each block to make them expand equally

• Use overflow: auto; to handle excessive content within a block

Media queries are CSS techniques used to apply different styles based on the characteristics of the device or viewport.

• Media queries allow us to create responsive designs that adapt to different screen sizes and devices.

• Bootstrap CSS provides a responsive grid system and predefined media queries to make it easier to create responsive web designs.

• We can use Bootstrap's CSS classes like 'col-md-6' to define different layouts for different screen sizes.

• Media queries can be writt...read more

To manage bootstrap default CSS with your code, you can override or customize the default styles using your own CSS.

• Use custom CSS classes to override specific styles

• Modify the Bootstrap variables to customize the default styles

• Create a separate CSS file to add your own styles and include it after the Bootstrap CSS file

• Use !important to prioritize your custom styles over Bootstrap styles

Bootstrap has predefined breakpoints for responsive web design.

• Bootstrap has four predefined breakpoints: xs, sm, md, and lg.

• These breakpoints are used to define the layout and behavior of elements at different screen sizes.

• For example, the xs breakpoint is for extra small screens, sm for small screens, md for medium screens, and lg for large screens.

• Developers can use these breakpoints to create responsive designs that adapt to different devices and screen sizes.