Javascript. Variables. Dialogs, alerts
In last lesson we began to learn javascript. Today we’ll continue to discuss javascript basics – we’ll talk about variables, how to declare variables, also we’ll discuss 6 main types of data (number, string, boolean, null, undefined, object). Also we’ll consider alert, prompt and confirm dialogs.
Code lesson (HTML)
<!DOCTYPE html>
<html>
<head>
<title>JavaScript</title>
<meta charset="utf-8"/>
</head>
<body>
<script>
var a = 12.3;
var str = "javascript";
var isCheck = true;
var b = null;
var c;
c = isCheck;
console.log(c);
var obj = {};
console.log(obj);*/
alert("Я изучаю javascript");
var num = prompt("Введите что-нибудь");
console.log(num);
var answer = confirm("Вы любите javascript?");
console.log(answer);
</script>
</body>
</html>
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