Unicommerce Esolutions Interview Questions, Process, and Tips

Q1. My past job experience, my vision, my family background etc
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Q2. Salary expectation
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Easy questions of basic maths.

Q1. Managerial questions.
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Q2. Basic maths questions
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Logical reasoning based

Q1. The worst interview experience I have faced in my life. First they took online test which was cleared. There was a first round with senior manager in Key Account Enterprises. He asked lot of counter questi...read more
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Q1. Describe CSS Box model
Ans. 
CSS Box model is a design concept that describes how elements are displayed on a webpage.
• Every HTML element is a rectangular box

• The box has content, padding, border, and margin

• Width and height of the box are determined by content, padding, and border

• Margin is the space outside the border

• Box-sizing property can be used to change the box model
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Q2. What are pseudo classes
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Pseudo classes are keywords used in CSS to select and style elements based on their state or position in the document.
• Pseudo classes start with a colon (:) followed by the keyword

• They are used to style elements based on their state, such as :hover, :active, :focus

• They can also be used to select elements based on their position in the document, such as :first-child, :last-child

• Pseudo classes can be combined with other s
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Q3. Purpose of async, await in script tag
Ans. 
async/await in script tag is used to load external scripts asynchronously without blocking the page.
• async/await allows scripts to be loaded asynchronously without blocking the page

• It is useful for loading external scripts that may take time to load

• It improves page performance by not blocking the rendering of the page

• It is supported in modern browsers
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Q4. Angular routing, angular lifecycle
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Q5. How would you center align div inside div
Ans. 
Use CSS to set margin to auto for horizontal centering and text-align center for vertical centering.
• Set the parent div's display property to flex and justify-content to center

• Set the child div's margin property to auto

• Alternatively, set the parent div's text-align property to center and child div's display property to inline-block
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Q6. GIve and describe examples of ES 6 features like object destructuring, arrow fxns, array.filter/reduce/indexOf etc.
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ES6 features like object destructuring, arrow functions, array methods
• Object destructuring allows for easy extraction of values from objects

• Arrow functions provide a concise syntax for writing functions

• Array.filter() allows for filtering of elements based on a condition

• Array.reduce() allows for reducing an array to a single value

• Array.indexOf() returns the index of the first occurrence of a specified element
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Q7. Var, let, const difference? 'use strict' ?
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Var, let, const are used to declare variables in JavaScript. 'use strict' enables strict mode.
• Var is function-scoped and can be redeclared. Let and const are block-scoped and cannot be redeclared.

• Let allows reassignment while const does not.

• 'use strict' enables strict mode which enforces stricter rules and better error handling.

• Example: var x = 10; let y = 20; const z = 30;

• Example: 'use strict';
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Q1. Angular routing, angular services
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Q2. Angular lifecycle, ViewChild
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Q3. How to transfer data between components in Angular
Ans. 
Data can be transferred between components in Angular using @Input and @Output decorators.
• Use @Input decorator to pass data from parent to child component

• Use @Output decorator to emit events from child to parent component

• Use EventEmitter to emit custom events

• Use ViewChild to access child component's properties and methods
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