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Here you can Sed posuere consectetur est at lobortis. Donec ullamcorper nulla non metus auctor fringilla. Maecenas sed diam eget risus varius blandit sit amet non magna. Donec id elit non mi porta gravida at eget metus. Praesent commodo cursus magna, vel scelerisque nisl consectetur et.


<h1>Τι μπορούμε να κάνουμε με την JavaScript;</h1>
<h2 id="test">Αλλαγή HTML</h2>
<button type="button" onclick="document.getElementById('test').innerHTML = 'Γεια σου κόσμε, είμαι η Javascript!'"> Click Me!</button>
 <h1>Με την JavaScript μπορούμε να αλλάξουμε εικόνες</h1>
 <h2>Κάντε Click στην λάμπα.</h2>
<img id="myImage" onclick="changeImage()" src="http://infolesson.com/wp-content/uploads/2016/10/lamp-white.png" width="300" height="480">
<h2 id="changeme">Με την JavaScript μπορούμε να αλλάξουμε το style ενός HTML στοιχείου.</h2>
<button type="button" onclick="Function1()">Click Me!</button>
<h1>Με την JavaScript μπορούμε να επικυρώσουμε δεδομένα.</h1>
<h2>Δώσε έναν αριθμό απο το 1 μέχρι το 10:</p>
<input id="giveme">
<button type="button" onclick="Function2()">Submit</button>
<p id="showme"></p>




              function changeImage() {
    var image = document.getElementById('myImage');
    if (image.src.match("yellow")) {
        image.src = "http://infolesson.com/wp-content/uploads/2016/10/lamp-white.png";
    } else {
        image.src = "http://infolesson.com/wp-content/uploads/2016/10/lamp-yellow.png";

function Function1() {
    var x = document.getElementById("changeme");
    x.style.fontSize = "40px";           
    x.style.color = "red"; 

function Function2() {
    var x, text;
    x = document.getElementById("giveme").value;
    if (isNaN(x) || x < 1 || x > 10) {
        text = "Λάθος δεδομένα";
    } else {
        text = "ΟΚ";
    document.getElementById("showme").innerHTML = text;

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