Lists and Loops Review-Code.org

Front

What will be displayed in the console when the following program runs?
var numList = [10,20,30];
console.log ( numList [numList.length-1]);

Back

30

Front

wordList is a list of words that currently contains the values ["tree", "rock", "air"] Which of the following lines will result in the list containing the values ["air", "rock", "air"] ? Options: wordList[0] = wordList[2], wordList[2] = wordList[0], insertItem(wordList, 0, "air"), removeItem(wordList,0)

Back

wordList[0] = wordList[2]

Front

What will be displayed in the console when the following program runs?
var count = 0 while (count != 5){ console.log(count); count = count + 2; }

Back

The program will result in an infinite loop.

Front

What will the following program display in the console?
for(var i = 0; i < 4; i++){ console.log(i); }

Back

0 1 2 3

Front

What will the following program display in the console?
var sum = 0; for(var i = 0; i < 5; i++){ sum = sum + i; } console.log(sum);

Back

10