JavaScript Arrays

What is proper syntax for declaring a array in JavaScript?

• var arrayName =[ ];

• var arrayName[ ] ={ };

• array arrayName ={ };

• obj var arrayName =[ ];

Which definition below best describe an array?

• An array is a function identifier that can hold more than one parameter.

• An array is a beam of light.

• An array is a special variable, which can hold more than one value at a time.

• An array is a special function, which can hold more than one value at a time.

What is first index value of an array?

• -1

• 0

• 1

• undefine

The length() method for an array will return _____.

• the number of elements in the array

• the last index value of the array.

• the length of the name of the array variable

• the capacity of the array

The push() method append to the _______ of the array.

• beginning

• middle

• end

• none of the above

The pop() method removes the _______ element of the array.

• beginning

• middle

• end

• none of the above

The push() method adds a new element to the beginning of an array.

• true

• false

The push() method adds a new element to the end of an array

• true

• false

The shift() method removes the first array element and "shifts" all other elements to a lower index.

• true

• false

The unshift() method adds a new element to an array (at the beginning), and "unshifts" older elements.

• true

• false