What is the difference between the two lines given below ?
  !!(obj1 &&

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What is the difference between the two lines given below ?

  !!(obj1 && obj2); (obj1 && obj2);



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2) Consider the following code snippet :

var tensquared = (function(x)
{
return x*x;
}
(10));

Will the above code work ?

3) Consider the following code snippet

function printprops(o)
{
for(var p in o)
console.log(p + ": " + o[p] + "\n");
}

What will the above code snippet result ?

4) Consider the following code snippet

o.m(x,y);

Which is an equivalent code for the above code snippet?

5) What is the purpose of a return statement in a function?

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