JavaScript Interview Questions You'll Most Likely Be Asked

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JavaScript Interview Questions You'll Most Likely Be Asked is a perfect companion to stand ahead above the rest in today's competitive job market. Rather than going through comprehensive, textbook-sized reference guides, this book includes only the information required immediately for job search to build an IT career. This book puts the interviewee in the driver's seat and helps them steer their way to impress the interviewer.
Table of Contents
1. Introduction to JavaScript
2. Statements, Comments and Variables
3. Operators and Functions
4. Values, Arrays and Operators
5. Modules, Characters and Attributes
6. Event Handlers and DOM
7. Keywords, CSS and CSS2
8. Statements and Functions
9. Roles of JavaScript, Scripts and Events
10. Opening and Manipulating Windows
11. Objects and their Properties in JavaScript
12. JavaScript and HTML
13. JavaScript Forms
14. JavaScript Constructors
15. Miscellaneous Arguments, Functions and Methods in JavaScript
HR Questions
a) 264 JavaScript Interview Questions, Answers and Proven Strategies for getting hired as an IT professional
b) Dozens of examples to respond to interview questions
c) 77 HR Questions with Answers and Proven strategies to give specific, impressive, answers that help nail the interviews
d) 2 Aptitude Tests download available
Sample from the book
(Below Questions and Answers are randomly taken from different pages of the book)
17: What is the difference in evaluating [“8”+5+2] and [8+5+”2”]?
In [“8”+5+2],”8” is a String. So anything that trail the string will be changed to string. Hence the result will be”852”.
In [8+5+”2”], 8 and 5 are integer, so it gets added up (13).And “2” is treated as String. Hence the concatenation takes place and the result will be “132”.
18: Is it possible to assign a string to a floating point variable?
Yes. Any variable can be assigned to another data type. For example,
var a1=10.39;
19: Will variable redeclaration affect the value of that variable?
No. The same value will be retained in the variable.Example:
var status=”cool”;
document.write(“status”); //cool
var status;
document.write(“status”); //cool
document.write(“status”); //chill
20: How will you search a matching pattern globally in a string?
A matching pattern can be globally searched in a string using “g” modifier in Regular Expression.
var p1=”First_Regular_ Expression_First”;
var q1=”/First/g”;
document.write(“Pattern_Match:” + p1.match(q1)); // Pattern_Match:First,First