examples/intro/strings.js
"use strict";

console.log("a" + "b");                         // ab
console.log("abc".length);                      // 3
console.log('<' + " a b c " + '>');             // < a b c >
console.log('<' + " a b c ".trim() + '>');      // <a b c>

console.log("this is a long string".charAt(3)); // s
console.log("this is a long string".charAt(0)); // t

var x = "Hello ";
var y = "World";
console.log(x + y); // Hello World
\t - tab
\n - newline
\" - to escape a quote
\\ - to escpae a backslash

Note: + acts both on numbers and on strings