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JavaScript JavaScript Loops, Arrays and Objects Tracking Multiple Items with Arrays Review Array Methods, Iterating and Two-Dimensional Arrays

Posted by Thomas Katalenas
Thomas Katalenas
11,033 Points

join, concat?

var students = ["Sally", "Joan", "Raphael", "Sam"]; var message = "Hello " + students. _____ (", ");

what goes in the blank?

1 Answer

Omar Alladina
Omar Alladina
3,495 Points
Omar Alladina
Omar Alladina
3,495 Points

If you want to return a string, use join. https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/join

If you want to return an array, use concat. https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/concat