eProductivity Software Principal Engineer Interview Questions and Answers

Minor JS code snippets to solve existing bugs

Q1. Discussion on Object Oriented Java Script
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Q2. Scope of javascript functions
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JavaScript functions define reusable blocks of code that can be called and executed.
• Functions can take parameters and return values.

• Functions can be defined using function declarations, function expressions, or arrow functions.

• Functions can be assigned to variables and passed as arguments to other functions.

• Functions can be invoked using the function name followed by parentheses.
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Q3. Different types of inheritance in javascript
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Types of inheritance in JavaScript include prototypal inheritance, classical inheritance, and mixins.
• Prototypal inheritance involves objects inheriting directly from other objects.

• Classical inheritance involves objects inheriting from classes.

• Mixins involve combining multiple objects to create a new object with the combined properties and methods.
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