concat strings in java script code example
Example 1: how to concatenate strings javascript
var str1 = "Hello ";
var str2 = "world!";
var res = str1.concat(str2);
// does not change the existing strings, but
// returns a new string containing the text
// of the joined strings.
Example 2: string javascript concatenation
var dest = new String("");
var src = new String("aze");
...
dest += src + src + src + src + src;