Q 1 - Which of the following is correct about jQuery?

A - jQuery is a fast and concise JavaScript Library created by John Resig in 2006 with a nice motto - Write less, do more.

B - jQuery simplifies HTML document traversing, event handling, animating, and Ajax interactions for rapid web development.

C - jQuery is a JavaScript toolkit designed to simplify various tasks by writing less code.

D - All of the above.

Q 2 - Which of the following is correct about jQuery?

A - The jQuery made it easy to select DOM elements, traverse them and modifying their content by using cross-browser open source selector engine called Sizzle.

B - The jQuery helps you a lot to develop a responsive and feature-rich site using AJAX technology.

C - The jQuery comes with plenty of built-in animation effects which you can use in your websites.

D - All of the above.

Q 3 - Which of the following is correct about jQuery?

A - The jQuery is very lightweight library - about 19KB in size ( Minified and gzipped ).

B - The jQuery has cross-browser support, and works well in IE 6.0+, FF 2.0+, Safari 3.0+, Chrome and Opera 9.0+

C - The jQuery supports CSS3 selectors and basic XPath syntax.

D - All of the above.

Q 4 - Which of the following is a valid type of function javascript supports?

A - named function

B - anonymous function

C - Both of the above.

D - None of the above.

Q 5 - Can you assign a anonymous function to a variable?

A - true

B - false

Q 6 - Can you pass a anonymous function as an argument to another function?

A - true

B - false

Q 7 - How can you get the type of arguments passed to a function?

A - using typeof operator

B - using getType function

C - Both of the above.

D - None of the above.

Q 8 - How can you get the total number of arguments passed to a function?

A - Using args.length property

B - Using arguments.length property

C - Both of the above.

D - None of the above.

Q 9 - Which of the following type of variable is visible everywhere in your JavaScript code?

A - global variable

B - local variable

C - Both of the above.

D - None of the above.

Q 10 - Which of the following type of variable is visible only within a function where it is defined?

A - global variable

B - local variable

C - Both of the above.

D - None of the above.

Q 11 - Which of the following type of variable takes precedence over other if names are same?

A - global variable

B - local variable

C - Both of the above.

D - None of the above.

Q 12 - Which of the following is correct about callbacks?

A - A callback is a plain JavaScript function passed to some method as an argument or option.

B - Some callbacks are just events, called to give the user a chance to react when a certain state is triggered.

C - Both of the above.

D - None of the above.

Q 13 - Which built-in method returns the character at the specified index?

A - characterAt()

B - getCharAt()

C - charAt()

D - None of the above.

Q 14 - Which built-in method combines the text of two strings and returns a new string?

A - append()

B - concat()

C - attach()

D - None of the above.

Q 15 - Which built-in method calls a function for each element in the array?

A - while()

B - loop()

C - forEach()

D - None of the above.

Q 16 - Which built-in method returns the index within the calling String object of the first occurrence of the specified value?

A - getIndex()

B - location()

C - indexOf()

D - None of the above.

Q 17 - Which built-in method returns the length of the string?

A - length()

B - size()

C - index()

D - None of the above.

Q 18 - Which built-in method removes the last element from an array and returns that element?

A - last()

B - get()

C - pop()

D - None of the above.

Q 19 - Which built-in method adds one or more elements to the end of an array and returns the new length of the array?

A - last()

B - put()

C - push()

D - None of the above.

Q 20 - Which built-in method reverses the order of the elements of an array?

A - changeOrder(order)

B - reverse()

C - sort(order)

D - None of the above.

Q 21 - Which built-in method sorts the elements of an array?

A - changeOrder(order)

B - order()

C - sort()

D - None of the above.

Q 22 - Which built-in method returns the characters in a string beginning at the specified location?

A - substr()

B - getSubstring()

C - slice()

D - None of the above.

Q 23 - Which built-in method returns the calling string value converted to lower case?

A - toLowerCase()

B - toLower()

C - changeCase(case)

D - None of the above.

Q 24 - Which built-in method returns the calling string value converted to upper case?

A - toUpperCase()

B - toUpper()

C - changeCase(case)

D - None of the above.

Q 25 - Which built-in method returns the string representation of the number's value?

A - toValue()

B - toNumber()

C - toString()

D - None of the above.