Child Development and Pedagogy - MCQ-02

Data Types in JavaScript


Script: 
 
var myheading="Welcome to Data Types";
var item1="HP-5010";
var qty=10;
var discount=null;
var price=10000;
var total=qty*price;
var dis_amount=total*discount/100;
var net_amount=total-dis_amount;
var withvalue=true;

var withoutvalue=false;

var order_link="<a href='orderpage.html'>Order Now</a>";

var courses=["UI and UX Design","UI and UX Development","Client Side Script","Server Side Script"];

var courses={
    "UI":"HTML5",
    "UX":"Jquery",
    "Serverside":"PHP"
    };

var jit="Jeevan IT Computer Education";

document.getElementById("institute").innerHTML=courses.Serverside+courses.UX+courses.UI;

HTML : 

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>data types</title>
<script src="datatypes.js"></script>
</head>

<body>
<h1 id="institute"></h1>

<script>


document.write("<h1 align='center'>"+myheading+"</h1>");

</script>

<table width="500" align="center" border="1" cellpadding="10" cellspacing="10">
   
    <tr>
    <td>Item Name</td>
    <td><script>document.write(item1);</script></td>
    </tr>
   
    <tr>
    <td>Quanity</td>
    <td><script>document.write(qty);</script></td>
    </tr>
   
        <tr>
    <td>Price</td>
    <td><script>document.write(price);</script></td>
    </tr>
   
        <tr>
    <td>Sub Tatal</td>
    <td><script>document.write(total);</script></td>
    </tr>
   
   
        <tr>
    <td>Discount</td>
    <td><script>document.write(discount);</script></td>
    </tr>
   
   
     <tr>
    <td>Net Amount</td>
    <td><script>document.write(net_amount);</script></td>
    </tr>
   
   
    <tr>
    <td colspan="2" align="right"><script>document.write(order_link);</script></td>
    </tr>
</table>
<script src="datatypes.js"></script>
</body>
</html>
 
Order page.html
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>order page</title>
<script src="datatypes.js"></script>
</head>

<body>
<table width="500" align="center" border="1" cellpadding="10" cellspacing="10">
   
    <tr>
    <th colspan="2">Order Details<script>document.write(withvalue);</script></th>
    </tr>
   
    <tr>
    <td>Item Name</td>
    <td><script>document.write(item1);</script></td>
    </tr>
   
    <tr>
    <td>Amount</td>
    <td><script>document.write(net_amount);</script></td>
    </tr>
   
   
</table>

<script>
if(10<9){
alert(withvalue);
}
else {
alert(withoutvalue);  
}
</script>
</body>
</html>