Web Exam 2_jan22

1.  What will be the output of the following code snippet?

<script type="text/javascript">

a = 9 + "9";

document.write(a);

</script>

• Error

• 18

• 99

Which of the following keywords is used to define a variable in Javascript?

• let

• var

• const

• float

Which of the following HTML attribute is used to define inline styles?

• style

• script

• class

Which of the following is the correct way to create a list using the lowercase letters

• <ol alpha = "a" >

• <ol type = "a">

• <ol type = a>

var grade='Z';  

var result;  

switch(grade)  

{  

case'A':  

        result+="10";  

case'B':  

        result+=" 9";  

case'C':  

        result+=" 8";  

default:  

        result+=" 0";  

}  

document.write(result);  

• 10

• 17

• 0

Which of the following variables takes precedence over the others if the names are the same?

• The global variable

• The local element

• none

In the JavaScript, which one of the following is not considered as an error:

• Syntax error

• Missing of semicolons

• Division by zero

The "function" and " var" are known as:

• Keywords

• Data type

• Declaration statements

var count =0;  

while (count <6)  

{  

     document.write(count); 

     count++;  

}  

• 0

• 0 1 2 3 4 5 6

• 0 1 2 3 4 5

Which of the following is the root tag of the HTML document?

• HTML

• BODY

• TITLE