07.08.2015.JavaScript / js
.pdf
Js example
#balls-script.js
var count = 1;
function changeImage() { count = count++ % 3 + 1;
var image = document.getElementById('myImage'); image.src = "ball" + count + ".jpg";
}
Js example-2
...
<body onload="confirmation()">
…
var name = “user”; function confirmation(){
name = prompt("What is your name?");
}
...
Js example - 3
<form name="myForm" onsubmit="return validateName(this)"> Enter your name: <input type="text" name="name" required> <input type="submit" value="Submit">
</form>
...
function validateName(){
var n = document.forms["myForm"]["name"].value; if (n !== name) { alert("You are liar!"); }
}
Useful links
http://www.w3schools.com/js/
https://www.codecademy.com/tracks/javascript- interactive online course
https://www.javascript.com - interactive course