iServeU Interview Questions, Process, and Tips

U will be asked some theoretical questions then u have to some coding.

Q1. Sort an array of object according to the id without for loop.
Ans. 
Sort an array of objects by id without for loop
• Use Array.sort() method with a compare function

• Compare the id property of each object

• Return -1, 0, or 1 based on comparison
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Q2. What is Spread operator and why to use. And give an example where u had used it.
Ans. 
Spread operator is used to spread the elements of an iterable object into a new array or object.
• Spread operator is denoted by three dots (...)

• It can be used with arrays, objects, and function arguments

• It simplifies the code and makes it more readable

• Example: const arr1 = [1, 2, 3]; const arr2 = [...arr1, 4, 5]; // [1, 2, 3, 4, 5]

• Example: const obj1 = {a: 1, b: 2}; const obj2 = {...obj1, c: 3}; // {a: 1, b: 2, c: 3}
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Q1. Data structure and algo
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