JavaScript Caching and Debugging Test(2nd)

What is the purpose of the function eval?

1 Mark(s)

Executing string as JavaScript
Executes the string as an integer
Gets the value of the string
None of the mentioned

How do you find the number with the highest value of x and y?

1 Mark(s)

Math.ceil(x,y)
ceil(x,y)
top(x,y)
Math.max(x,y)

Which class provides an interface for invoking JavaScript methods and examining JavaScript properties?

1 Mark(s)

JSObject
Jobject
JavaObject
ScriptObject

Which of the following has a lesser benchmark time for using JQuery to access DOM versus pure JavaScript in milliseconds?

1 Mark(s)

Firefox JSDOM_benc
Firefox JQueryDOM_
Chrome JSDOM_benc
Chrome JQueryDOM_

What is the code snippet to change the class and let the stylesheet specify the details?

1 Mark(s)

timestamp.className = 'move';
timestamp.className = 'change';
timestamp.className = 'specify';
timestamp.className = 'highlight';

Which of the following is not an object?

1 Mark(s)

Position
Window
Location
Element

If we have an object r and want to know if it is a Range object, we can write:

1 Mark(s)

r typeof Range
r equals Range
r instanceof Range
r is Range

How can you find a client’s browser name?

1 Mark(s)

navigator.appName
client.navName
none of the mentioned
browser.name

How many static methods does a Date object have?

1 Mark(s)

5
2
3
4

Which is the function used to loop in an array to view all the values?

1 Mark(s)

none of the mentioned
loop()
all()
each()

Which is a wrapped Java array, accessed from within JavaScript code?

1 Mark(s)

JavaArray
JavaObject
JavaPackage
JavaClass

What is the syntax of close method for document object?

1 Mark(s)

Close(doc)
Close(object)
Close()
Close(val)

What is the property to access the first child of a node?

1 Mark(s)

timestamp.firstChild
timestamp.Child(0)
timestamp.Child1
timestamp.Child(1)

Which of the following is not a JavaScript framework?

1 Mark(s)

Joco
Rico
Prototype
DoJo

Which of the following are static methods in JavaScript?

1 Mark(s)

Date.UTC()
Both Date.parse() and Date.UTC()
Date.parse()
None of the mentioned

Which of the following has a greater benchmark time for looping and JQuery vs core JavaScript in milliseconds?

1 Mark(s)

Chrome JavaScript
Firefox JQuery
Firefox JavaScript
Chrome JQuery

What is the purpose of the Math method toSource()?

1 Mark(s)

Returns the value of the object
Sends the source to the Math Library
None of the mentioned
Returns the string “Math”

JavaScript Caching and Debugging Test(2nd) : Question 1 of 17