Exam 10: Exploring Arrays Loops and Conditional Statements Tutorial

Identify the expression used to reference array values.

What is the output of the following code? var scores = [92, 68, 83, 95, 91, 65, 77]; var highScores = scores.filter(gradeA); function gradeA(value) { return value > 90; }

The _____ method creates a new array by passing the original array items to the callback function, which returns the equivalent value of the array items.

The getDate() method in a calendar app returns an integer ranging from 0 (Sunday) to 6 (Saturday).

Identify a method that is used to create a subarray.

Index values start with 1 so that the initial item in an array has an index value of 1, the second item has an index value of 2, and so on.

The map(callback [, thisArg]) method returns the index of the first element in the array that passes a test in the callback function.

Identify the syntax of the statement label.

Describe the structure of the if else statement.

Identify a compare function that sorts numeric values in ascending order.

Identify a true statement of array .some( callback [, thisArg ]) method.

The every(callback [, thisArg]) array method applies the callback function to each item in an array.

A calendar that is created as a web table can have class and ID designations to make it easy for page developers to assign different styles to different parts of the calendar.

By default, items are placed in an array either in the order in which they are defined or explicitly by index number.

Identify a method that extracts array items that match a specified condition.

The break statement runs a command or a command block only if the conditional expression returns the value true ; it does nothing if the condition is false.

Which of the following determines the current size of an array?

Which of the following values will the expression 15 % 4 return?

Identify a method that tests whether the condition returned by the callback function holds for all items in an array .

The slice() method reverses the order of items in an array, making the last items first and the first items last.