Javascript
Basic
Alert/prompt
alert('Windows Popup text');
prompt('Windows Popup Text and entry line');
Html Tag
<!DOCTYPE html>
<html>
<head>
<title>Java script Demo</title>
</head>
<body>
<h1>Titre niveau 1</h1>
<script>
alert('your javascript here!');
</script>
<script src="js/app.js"></script>
Variables
var myVariable;
var myVariable = 10;
var myVariable = "some string"; var myVariable = 'some string'; var myVariable = 'it \'s easy';
Comparison
- Less: <
- Greater: >
- equal (value): ==
- equal (value and type: ===
- function type of variable
alert(typeof myVariable);