Also see the link by @Bergi. ... In JS, "+" concatenation works by creating a new String object. ... var s = "Hello"; ...we have one object s. Next: ... <看更多>

The concat() method concatenates a string list and returns a new string that contains the combined strings. · Use + or += operator to concatenate strings for ... ... <看更多>

It's not bad to use + for both addition and concatenation, as long as you can only add numbers, and only concatenate strings. However, Javascript will ... ... <看更多>

In the Strings section the standard is: "Strings longer than 80 characters should be written across multiple lines using string concatenation. ... <看更多>

Effective Java [1] says, “Item 51: Beware the performance of string concatenation.” Many books, articles, blog posts and stack overflow ... ... <看更多>