Jabra Connect Interview Questions and Answers

Q1. Difference b/w deep copy and shallow copy
Ans. 
Deep copy creates a new copy of an object with all nested objects also copied, while shallow copy creates a new object with references to the original nested objects.
• Deep copy creates a new object and recursively copies all nested objects, resulting in a completely independent copy.

• Shallow copy creates a new object but only copies the references to nested objects, so changes in nested objects reflect in both the origin...read more
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Q2. Difference between foreach and map
Ans. 
foreach is used to iterate over an array and perform a function on each element, while map creates a new array by applying a function to each element.
• foreach does not return a new array, while map does

• foreach is used for side effects, while map is used for transformation

• Example: forEach - let numbers = [1, 2, 3]; numbers.forEach(num => console.log(num)); // prints 1, 2, 3

• Example: map - let numbers = [1, 2, 3]; let doub...read more
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Q3. Pure impure pipe
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Q4. Ngonchanges usage
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Q5. Basic array methods
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Q6. Difference null undefined empty values in js
Ans. 
null is an intentional absence of any value, undefined means a variable has been declared but not assigned a value, and empty values are variables that have been assigned a value of empty string, empty array, or empty object.
• null is used to represent the intentional absence of any value

• undefined means a variable has been declared but not assigned a value

• Empty values can be empty string (''), empty array ([]), or empty
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They asked about 60 questions in total with 30 aptitude and 30 technical questions

Q1. The hr and technical round occured at same time there are there people panel with one hr two technical interviewers with for mechanical and electrical questions.
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Q2. My first questions is explain about HVAC and vapour compression cycle and they asked about 10 units like unit of heat power etc and they finally asked about current scenerio questions finally interview end...read more
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Q3. The interview go on about 30 minutes and the asked me about to draw the pv and ts diagrama of hvac finally the interview is over and got selected for 5lpa. Good luck.
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