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Variables
==============================



```
/**
 * Declare a variable that is a number
 */

var x = 42;
console.log(x);

/**
 * Use the number variable to count up
 */

console.log(x + 10);



/**
 * Decalare a variable that is a string
 */

var greeting = "Hello";
console.log(greeting);

/**
 * Add more text to the string
 */

console.log(greeting + " world!");



/**
 * Decalare a variable where the number is a string
 */

var str = "42";
console.ong(str);

/**
 * See what happens when we add a number to a string that contains a number
 */

console.log(x + 10);


```



Reference and read more
------------------------------

[MDN Declaring variables](https://developer.mozilla.org/en/docs/Web/JavaScript/Guide/Values,_variables,_and_literals#Declaring_variables)



Revision history
------------------------------

2014-06-03 (sylvanas) PA1 First try.