What will happen if the body of a for/in loop deletes a property that has not ye

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What will happen if the body of a for/in loop deletes a property that has not yet been enumerated?

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2) What are the three important manipulations done in a for loop on a loop variable?

3) Consider the following code snippet

function printArray(a)
{
var len = a.length, i = 0;
if (len == 0)
console.log("Empty Array");
else
{
do
{
console.log(a[i]);
}
while (++i < len);
}
}

What does the above code result?

4) One of the special feature of an interpreter in reference with the for loop is that

5) Consider the following code snippet

function f(o)
{
if (o === undefined)
debugger;
}

What could be the task of the statement debugger?

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