3DPLM Software Solutions UI Developer Interview Questions and Answers

Q1. What is use of constructors in Js
Ans. 
Constructors in JavaScript are used to create and initialize objects.
• Constructors are functions that are used to create new instances of objects.

• They are called with the 'new' keyword to create a new object based on the constructor's blueprint.

• They can also be used to set initial values or properties for the object being created.

• Example: function Person(name, age) { this.name = name; this.age = age; }

• Example: var perso
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Q1. What is closures
Ans. 
Closures are functions that have access to variables from their outer scope even after the outer function has finished executing.
• Closures allow functions to access variables from their parent function even after the parent function has returned.

• They help in creating private variables and functions in JavaScript.

• Closures are commonly used in event handlers and callbacks.
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Q2. What is call apply bind
Ans. 
call, apply, and bind are methods in JavaScript used to manipulate the context of a function.
• call() is used to invoke a function with a specified 'this' value and arguments provided individually.

• apply() is similar to call() but arguments are passed as an array.

• bind() is used to create a new function with a specified 'this' value and initial arguments.
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Uging tag , elements, div, selector, flex box etc

Q1. Html, CSS, JavaScript, bootstrap
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Q2. Good knowledge for html CS
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Q3. Bootstrap using responsible website
Ans. 
Bootstrap is a front-end framework that helps in creating responsive websites by using a grid system and predefined classes.
• Bootstrap provides a grid system with 12 columns that automatically adjusts based on screen size.

• It includes responsive utility classes like 'd-none' and 'd-md-block' to show/hide content based on screen size.

• Bootstrap also offers responsive navigation components like the navbar that collapses int
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Q4. Anything else any more times
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3 coding dsa question
Difficulty is On your luck
My friends got easy level
I got medium level
Some got hard questions as well

Ssh round , quant and logical
Tip: bring your calculator

Q1. Two Puzzle : bulb switching and candle
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Q2. Dsa questions such as string reverse, binary search
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Q3. Dbms and os core subject questions
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Q1. How are you better than others
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Q2. Why should we hire you
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3 coding question in 1:30 hr
2 medium + 1 hard
1- greedy
2- binary search, prefix sum
3- dp (too hard)

Q1. Low level design type question
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Q1. Hiring manager round. Asked project related questions plus basic hr questions
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Written test coding and with aptitude questions are asked

Q1. Asking about OOPS and C++ basics concepts
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