var arr = new Array(1,2,3); var arr = Array(1,2,3); var arr = [1,2,3];
When these values are specified, the array is initialized with them as the array's elements. An array's
length property is equal to the number of arguments. The bracket syntax is called an array literal. It's a shorter and preferred way to initialize arrays.
You have to use the array literal syntax if you want to initialize an array with a single element and the element happens to be a number. If you pass a single number value to the