Even though it's slower than string concat, that shouldn't realistically matter as you can still do 2 million of those a second. Convenience over micro performance always.

While JavaScript has many applications, working with string values is one of the most popular. Strings are objects within the JavaScript language. They are not stored as character arrays ...

No more string concatenation or array join! It works by wrapping the text in a block comment, anonymous function, and a function call. The anonymous function is passed into the function call and the ...