Untitled

<!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>JS Bin</title>
</head>
<body>
<script type="text/javascript" src="javascript.js"></script>
<script id="jsbin-javascript">
var i = 0;
do {
    console.log(i + " ");
    i++;
} while (i < 10);

var a = 'hola';
var s = "";
for (var key in a) {
    s += key + ":" + a[key];
    s += " ";
    }
console.log(s);

try {
   throw "miExcepcion"; // genera una excepción

}
catch (e) {
// sentencias para manipular cualquier excepción
   console.log(e);
}

var a = 10;
var b = new Number(10);
var c = b.valueOf();
var d = 10.0000000005;
var e = function(){return 'asdf'}

console.log(typeof a)
console.log(typeof b)
console.log(typeof c)
console.log(typeof d)
console.log(typeof e)

"use strict"

var a = 10;
var a = "hola ";
console.log(a);

//console.log(delete a)
//console.log(delete b)

function suma(a,b){
    return a+b;
}
console.log(suma(2,3));
</script>


<script id="jsbin-source-javascript" type="text/javascript">
var i = 0;
do {
    console.log(i + " ");
    i++;
} while (i < 10);

var a = 'hola';
var s = "";
for (var key in a) {
    s += key + ":" + a[key];
    s += " ";
    }
console.log(s);

try {
   throw "miExcepcion"; // genera una excepción

}
catch (e) {
// sentencias para manipular cualquier excepción
   console.log(e);
}

var a = 10;
var b = new Number(10);
var c = b.valueOf();
var d = 10.0000000005;
var e = function(){return 'asdf'}

console.log(typeof a)
console.log(typeof b)
console.log(typeof c)
console.log(typeof d)
console.log(typeof e)

"use strict"

var a = 10;
var a = "hola ";
console.log(a);

//console.log(delete a)
//console.log(delete b)

function suma(a,b){
    return a+b;
}
console.log(suma(2,3));

    </script></body>
</html>