Q. Why does JavaScript subset disallow == and !=?

View solution

Q. What is being imposed on each subset to ensure that it conforms to the subset?

View solution

Q. Why was "The Good Parts" designed as a language subset in JavaScript?

View solution

Q. Which is the subset that is a secure container designed for the purpose of safely running untrusted JavaScript?

View solution

Q. Why is the this keyword forbidden in JavaScript?

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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?

View solution

Q. The let keyword can be used

View solution

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

View solution

Q. Consider the following code snippet:

console.log(p)

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

View solution

Q. Consider the following code snippet:

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

What will be the result for the above code snippet?

View solution

Q. Consider the following code snippet:

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

What is the result of the above code snippet?

View solution

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

View solution

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

View solution

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

View solution

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?

View solution

Q. Consider the following code snippet:

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

What does the above code do?

View solution