Function: Array.customJoin() — January 28, 2008
/**
* Simple function that acts like String.join(), except it allows for a custom final joiner. This
* is helpful in situations where you want to join an array in human readable form, e.g.
* var arr = ["one", "two", "three"];
* alert(arr.customJoin(", ", " and ")); // alerts "one, two and three"
*/
Array.prototype.customJoin = function(glue, finalGlue)
{
// if there's at least one element, pop off the LAST item
var lastItem = null;
if (this.length> 0)
lastItem = this.pop();
* Simple function that acts like String.join(), except it allows for a custom final joiner. This
* is helpful in situations where you want to join an array in human readable form, e.g.
* var arr = ["one", "two", "three"];
* alert(arr.customJoin(", ", " and ")); // alerts "one, two and three"
*/
Array.prototype.customJoin = function(glue, finalGlue)
{
// if there's at least one element, pop off the LAST item
var lastItem = null;
if (this.length> 0)
lastItem = this.pop();
// now, if there's still 1 or more items left, join them with the glue
if (this.length> 0)
{
var str = this.join(glue);
str += finalGlue + lastItem;
}
// otherwise there was only one item: just return the string
else
str = lastItem;
return str;
}
