CitiusTech Senior Frontend Software Engineer Interview Questions, Process, and Tips

To center align a square and circle inside a rectangle, calculate the center point of the rectangle and position the shapes accordingly.

• Calculate the center point of the rectangle using its width and height

• Position the square and circle by subtracting half of their width/height from the center point

• Use CSS to set the position of the shapes

Program to check duplicate numbers in a phone number

• Convert phone number to an array of strings

• Loop through the array and check for duplicates

• Use a hash table to keep track of numbers already seen

Encapsulation in JavaScript is achieved through the use of closures and modules.

• Encapsulation is the practice of keeping variables and functions private within a class or module.

• Closures allow for private variables and functions to be created within a function.

• Modules are self-contained units of code that can be imported and used in other parts of the application.

• The revealing module pattern is a common way to implemen

Vendor prefixes are used in CSS to add experimental features that are not yet standardized.

• Vendor prefixes are added to CSS properties to support experimental features.

• They are used to test new features before they are standardized.

• Examples of vendor prefixes include -webkit-, -moz-, -ms-, and -o-.

• Vendor prefixes should be used sparingly and with caution, as they can cause compatibility issues.

• It is important to includ...read more