add to the string object javascript code example
Example 1: string javascript concatenation
var dest = new String("");
var src = new String("aze");
var ar = new Array();
...
ar.push(src);
ar.push(src);
...
dest = ar.join("");
Example 2: string javascript concatenation
var dest = new String("");
var src = new String("aze");
...
dest += src + src + src + src + src;