CODURI PENTRU JS:

1)Afisare data si ora

<button type="button"

onclick="document.getElementById('demo').innerHTML = Date()">

Click me to display Date and Time.</button>

<p id="demo"></p>

2)

<p id="demo">JavaScript can change HTML content.</p>

<button type="button"

onclick="document.getElementById('demo').innerHTML = 'Hello JavaScript!'">

Click Me!</button>

3)Beculet(aprins/inchis)

<img id="myImage" onclick="changeImage()" src="pic_bulboff.gif" width="100" height="180">

<p>Click the light bulb to turn on/off the light.</p>

<script>

function changeImage() {

var image = document.getElementById('myImage');

if (image.src.match("bulbon")) {

image.src = "pic_bulboff.gif";

} else {

image.src = "pic_bulbon.gif";

}

}</script>

4)Schimbare de font

<p id="demo">JavaScript can change the style of an HTML element.</p>

<script>

function myFunction() {

var x = document.getElementById("demo");

x.style.fontSize = "25px";

x.style.color = "red";

}

</script>

<button type="button" onclick="myFunction()">Click Me!</button>

5)Calcul suma pana la n

<p>Calculez suma primelor n elemente. Introduceti n-ul</p>

<input id="numb" type="number">

<button type="button" onclick="myFunction()">Submit</button>

<p id="demo"></p>

<script>

function myFunction() {

var x,y, suma=0;

x = document.getElementById("numb").value;

for(y=1;y<=x;y++)

{suma=suma+y;}

document.getElementById("demo").innerHTML = suma;

}

</script>

6)Fereastra alerta

<script>window.alert(5 + 6);</script>

7)Introduc variabile

var x = 5;var y = 6;var z = x + y;8)Introduce un numar<script>document.getElementById("demo").innerHTML = 10.50;</script>