Javascript: Difference between revisions
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| Line 30: | Line 30: | ||
var myVariable = 10; | var myVariable = 10; | ||
var myVariable = "some string"; var myVariable = 'some string'; var myVariable = 'it \'s easy'; | var myVariable = "some string"; var myVariable = 'some string'; var myVariable = 'it \'s easy'; | ||
var myBolean = 10 > 1; | |||
var myOppositeBolean = !myBolean; | |||
</syntaxhighlight> | </syntaxhighlight> | ||
Revision as of 13:50, 29 October 2017
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';
var myBolean = 10 > 1;
var myOppositeBolean = !myBolean;
Comparison
- Less: <
- Greater: >
- equal (value): ==
- equal (value and type: ===
- not equal: !=
- function type of variable
alert(typeof myVariable);
Condition
- and: &&
- or: ||