Append to string variable [closed]

Answer 1

Like this:

var str = 'blah blah blah';
str += ' blah';

str += ' ' + 'and some more blah';

Answer 2

Ronal, to answer your question in the comment in my answer above:

function wasClicked(str)
{
  return str+' def';
}

Answer 3

var str1 = 'abc';
var str2 = str1+' def'; // str2 is now 'abc def'

Answer 4

var str1 = "add";
str1 = str1 + " ";

Hope that helps,

Dan