UI Developer Interview Questions for Experienced Professionals

UI Developer Interview Questions for Experienced Professionals

I am a UI developer. Having more then 12 years experience with industry. Recently for a better Career growth, I decided to hack a CMM Level 5 company interview. For this reason I did started my preparation and keep attending several technical interviews. My good luck nearly after 45 days I got selected in Infosys.

During this period to grab my dream job I applied a trick. From each interview I did collected all technical questions asked by the interviewer. Slowly I found many questions are common. As you know for UI developer we need to learn HTML, CSS, JAVASCRIPT, JQUERY or ANGULARJS or BootStrap. If you are having the same profile and going to attained a technical interview in this Saturday or Sunday, prepare the below Questions well. I am sure from this list of UI Developer Interview Questions you will must found above 50% similar questions at your interview.

HTML5 Interview Questions

  • What are the new elements introduced in HTML5?
  • Which browsers support HTML 5?
  • What is datalist in HTML 5?
  • What are the different advanced form element types in HTML 5?
  • What is Canvas in HTML5?
  • What is the use of localStorage in html5?
  • How to embed a YouTube video using HTML5?
  • What is the difference between Canvas & SVG?
  • What’s new HTML5 DocType and Charset?
  • How can we embed an Audio in HTML5 & what are the audio formats supported by HTML5 Audio Element?
  • How to embed a Video file in HTML5?
  • What are the different types of storage in HTML5?
  • What is Application Cache in HTML5?
  • Tell me some new markup elements in HTML5.
  • What does a hgroup tag do?
  • Which Tags are deprecated in the new version of HTML5?
  • In HTML5 how to remove local Storage?
  • What is the difference between cookies & HTML5 Local storage?
  • How do you make video tag work in Safari version 5?
  • What is the use of viewport?
  • How to display repeated data in columns using HTML?

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CSS3 & BootStrap Interview Questions

  • What is CSS?
  • What are the ways to Apply CSS styles in a HTML documents?
  • What is the difference between an ID & CLASS selector in CSS3?
  • Explain me the CSS Box Model.
  • What is Grouping in CSS3?
  • What are Child Selectors in CSS?
  • Give some examples of CSS Pseudo-Class.
  • What is the use of CSS3 sprites?
  • Tell me some New features in CSS3.
  • What is the Syntax of Opacity in CSS3?
  • What is z-index & How to use it in CSS?
  • How to set border radius of a div for IE, FF & Chrome using CSS3?
  • What is clearfix hack in CSS?
  • What is CSS media queries?
  • What are the major CSS properties?
  • What is the difference between Fixed Width Layouts & Liquid Layouts?
  • What are the difference between Bootstrap 2 & Bootstrap 3?
  • What are the different classes in Bootstrap 2 & Bootstrap 3?
  • What are the number of Columns in Bootstrap Grid System?
  • What are the different Breakpoints in Bootstrap?
  • What is the difference Container & Container Fluid?
  • Is it possible to load style sheet dynamically? If yes then how?

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JAVASCRIPT Interview Questions

  • What are the different data types in JavaScript?
  • How to Create an Object, Properties & Methods using JavaScript?
  • What is closures in JavaScript?
  • Is JavaScript is case sensitive?
  • What is the difference between “==” & “===” in JavaScript?
  • How to comment in JavaScript?
  • How to know Checkbox Status using JavaScript?
  • How to Create Array using JavaScript?
  • What isNaN function does in JavaScript?
  • How to Change Style or Class of an element using JavaScript?
  • What is Prototypes in JavaScript?
  • Tell me the difference between Undefined & Null?
  • Why we use splice() Method in JavaScript?
  • How to debug JavaScript code?
  • Which debugger you have used to debug JS code?
  • What is landscape and portrait? How to set this property?
  • How will you get device width?
  • How will you know that web page request is came from small screen device/mobile?

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JQUERY Interview Questions

  • What is the difference between Jquery & JavaScript?
  • What you required to Start you first Hello World program using Jquery?
  • What is document.ready() method in Jquery?
  • How to select all elements in a page using Jquery?
  • What are the different type of Selectors available in Jquery?
  • Explain me the show & hide methods in Jquery?
  • What are the advantages using Jquery?
  • What is jQuery noConflict method?
  • How do you disable or enable a form element using Jquery?
  • How to Change href attribute of an anchor tag using JQuery?
  • How to Valid an email using JQuery?
  • What is JQuery Selector? Explain me with Example.
  • Explain the animate function in JQuery.
  • What is jQuery.holdReady() function?
  • What is JQuery Ajax method?
  • How animate method works in JQuery?
  • Can we use two versions of JQuery in the same HTML page?
  • What is the difference between attr & prop in JQuery?
  • What is minify version of Jquery?
  • How to load Jquery from Local if CDN link fails?
  • What is the use of JQuery $.extend method?
  • What is JQuery $.map method?
  • Can I have multiple Jquery document.ready() method in a html page?
  • What is the difference between document.ready() & body onLoad() method?
  • How do you control SVG using jquery?
  • How do you add class using jquery?

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ANGULARJS Interview Questions

  • What are the key features of AngularJS?
  • Does Angular use the JQuery library?
  • How to use ng-repeat in AngularJS?
  • How to use Filter in AngularJS?
  • In AngularJS how will you initialize a select box with options on page load?
  • What are the advantages of using AngularJS?
  • How to use Controller in AngularJS?
  • What are the form Validations AngularJS provides?
  • How to create Custom Directive using AngularJS?
  • What is 2 way data binding in AngularJS?
  • What is the CDN link for AngularJS?
  • How to bind MySQL data to HTML5 using AngularJS?
  • How to use templateURL in the Directive of AngularJS?
  • Is AngularJS supports MVVM with MVC?
  • What is routes in AngularJS?
  • What is the difference between compile & link functions in AngularJS?
  • What is difference between Service & Factory?
  • What is the Syntax for creating Custom Directives in AngularJS?
  • What is factory? For what purpose it is used?
  • What is data-binding and how it is achieved in AngularJS?

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