Q. Which method to use while working with XML fragments, instead of XML()?

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Q. What is the return type of typeof for standard JavaScript objects?

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Q. When will the finally block be called?

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Q. What will be the reaction when a catch clause has no conditionals ?

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Q. What is the code to be used to trim whitespaces ?

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Q. Consider the following code snippet:

data.sort(function(a,b),b-a);

What does the above code do?

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Q. Consider the following code snippet:

let succ = function(x) x+1, yes = function() true, no = function() false;

What convenience does the above code snippet provide?

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Q. Which method of the iterable object returns an iterator object for the collection?

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Q. Which exception does the Iterators throw from their next() method when there are no more values to iterate, that work on finite collections ?

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Q. Which looping statement allows XML tags to appear in JavaScript programs and adds API for operating on XML data?

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Q. Consider the following code snippet:

[x,y]=[y,x];

What is the result of the above code snippet?

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Q. Consider the following code snippet:

let x=x+1;
console.log(x);

What will be the result for the above code snippet?

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Q. Consider the following code snippet:

console.log(p)

If p is not defined, what would be the result or type of error?

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Q. The main difference between the variables declared with var and with let is

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Q. The let keyword can be used

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Q. Consider the following code snippet:

const pi=3.14;
var pi=4;
console.log(pi);

What will be the output for the above code snippet?

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Q. Which is the subset that transforms web content into secure modules that can be safely hosted on a web page?

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Q. Which was one of the first security subsets proposed?

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Q. Which is the object that defines methods that allow complete control over page content?

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Q. Which are the two functions that are not allowed in any secure subset?

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