JavaScript Tutorial/Dialogs/alert dialog

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Add a tab to alert box (IE)

<html>
<head>
<title>A Simple Page</title>
<script language="JavaScript">
<!--
alert("This line has a tab\there");
//  -->
</script>
</head>
<body>
</body>
</html>


Add quotation marks to alert box

<html>
<head>
<title>A Simple Page</title>
<script language="JavaScript">
<!--
alert("\"That wasn\"t how it was at all!\" she said.");
//  -->
</script>
</head>
<body>
</body>
</html>


Calcualtion in alert dialog

<html>
<head>
<title>A Simple Page</title>
<script language="JavaScript">
<!--
var a = 6, b = 4;
alert(a - b);
//  -->
</script>
</head>
<body>
</body>
</html>


Start a new line in alert box in IE

<html>
<head>
<title>A Simple Page</title>
<script language="JavaScript">
<!--
alert("A carriage return lies right\rin the middle of this line!");
//  -->
</script>
</head>
<body>
</body>
</html>


Use alert dialog box to display the content of an array

<html>
<head>
<title>A Simple Page</title>
<script language="javascript">
<!--
var days_of_week = new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");
alert(days_of_week);
//  -->
</script>
</head>
<body>
</body>
</html>


Using alert Boxes

<HTML>
    <HEAD>
        <TITLE>Using alert Boxes</TITLE>
        <SCRIPT LANGUAGE="JavaScript">
            <!--
            function displayer()
            {
                alert("Hello from JavaScript!")
            }
            //-->
        </SCRIPT>
    </HEAD>
    <BODY>
        <H1>Using alert Boxes</H1>
        <FORM>
            <INPUT TYPE="BUTTON" ONCLICK="displayer()" VALUE="Click Me!">
        </FORM>
    </BODY>
<HTML>
Источник — «http://wbex.ru/index.php?title=JavaScript_Tutorial/Dialogs/alert_dialog&oldid=9069»