JavaScript definition Array

There are two ways in which JavaScript defines an array:

1. define an array by using the Arrary () constructor .

2, the array is defined by the direct assignment method .

Arrary () constructor definition array

Format one:

var New Array (num); name[0] = element 1;......name[num-1] = element num;

Format two:

var New Array (); name[0] = element 1;name[0] = element 2;name[0] =  Element 3;

Format three:

var New Array (element 1, Element 2, Element 3,......);

The direct assignment method defines an array

var name = [element 1, Element 2, Element 3,......];

JavaScript definition Array