[This is preliminary documentation and subject to change]
Returns a string value consisting of all the elements of an array concatenated together and separated by the specified separator character.
arrayObj.join(separator)
arrayObj
Required. An Array object.
separator
Required. A String object used to separate one element of an array from the next in the resulting String object. If omitted, the array elements are separated with a comma.
If any element of the array is undefined or null, it is treated as an empty string.
The following example illustrates the use of the join method.
function JoinDemo(){
var a, b;
a = new Array(0,1,2,3,4);
b = a.join("-");
return(b);
}
Array Object Methods | String Object
Applies To: Array Object