JavaScript Questions & Answers – Comparison of Core JavaScript versus Frameworks – II

This set of JavaScript Questions and Answers for Campus interviews focuses on “Comparison of Core JavaScript versus Frameworks – II”.

1. Which of the following is not a JavaScript framework?
a) Rico
b) Prototype
c) Joco
d) DoJo
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2. What is the purpose of the Math method toSource()?
a) Returns the string “Math”
b) Sends the source to the Math Library
c) Returns the value of the object
d) Returns an integer value
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3. What will be the output of the following JavaScript code?

var o = new F();
o.constructor === F

a) false
b) true
c) 0
d) 1
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4. How many static methods does a Date object have?
a) 3
b) 5
c) 4
d) 2
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5. Which of the following are static methods in JavaScript?
a) Date.parse()
b) Date.UTC()
c) Both Date.parse() and Date.UTC()
d) Date.clear()
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6. What will be the work of the getAvg in the following JavaScript function?

<script>
function getAvg(){
var avg = 0;
for(var x = 0; x < 200; x++){
avg += x;
}
return(avg/200);
}

a) Multiples values from 0 to 200
b) Adds values from 0 to 200
c) Simply traverses with no operation
d) Find the average of 199 numbers
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7. If we have an object r and want to know if it is a Range object, we can write ______________
a) r typeof Range
b) r is Range
c) r equals Range
d) r instanceof Range
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8. What is the property to access the first child of a node?
a) timestamp.Child1
b) timestamp.Child(1)
c) timestamp.Child(0)
d) timestamp.firstChild
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9. Which of the following is not an object?
a) Element
b) Location
c) Position
d) Window
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10. What is the code snippet to change the class and let the stylesheet specify the details?
a) timestamp.className = “highlight”;
b) timestamp.className = “change”;
c) timestamp.className = “specify”;
d) timestamp.className = “move”;
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Sanfoundry Global Education & Learning Series – Javascript Programming.