Basic DHTML MCQ

1.

How is the following code useful?

function validate(field)
{
var valid="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
var ok="yes";
var temp;

for(var i=0; i < field.value.length; i++)
{

temp="" + field.value.substring(i,i+1)
if(valid.indexOf(temp)=="-1")
{
ok="no";
break;
}
}
if(ok=="no")
{
alert("error");
field.focus();
}
}

Note: This Question is unanswered, help us to find answer for this one

2.

Which of the following event would execute a script once a web page has completely loaded all content?

Note: This Question is unanswered, help us to find answer for this one

3.

You defined two styles as follows:

td.right {text-align: right}

td.left {text-align: center}

Which of the following is the right way of calling them in an HTML page?

 

Note: This Question is unanswered, help us to find answer for this one

4.

Which of the following is not a JavaScript event?

Note: This Question is unanswered, help us to find answer for this one

5.

The form tag is defined as follows:

<form onsubmit="return Validate()" action="http://www.mysite.com/">

How will you implement the Validate() function that will stop the form from being submitted if the name field on the form is not filled?

Note: This Question is unanswered, help us to find answer for this one

6.

You have a function to change the image with id im…

function changeimg(givenImg)
{
document.getElementById('imageID').src=givenImg
}

How would you make the webpage display "image2.gif", only for the time that the user clicks the image?

Note: This Question is unanswered, help us to find answer for this one

7.

Which of the following enables JavaScript Document Object Model to provide access to the HTTP header?

Note: This Question is unanswered, help us to find answer for this one

8.

You want to disable the selection of text on the webpage. While trying to select some text, the user should see 'not-allowed' cursor. Which of the following helps you implement this by using JavaScript and IE 5+ browser?

Note: This Question is unanswered, help us to find answer for this one

9.

Which of the following helps you highlight some of the running text on a web page?

Note: This question has more than 1 correct answers

Note: This Question is unanswered, help us to find answer for this one

10.

Is the following statement correct?

The width of an element must be set for making filters work.

Note: This Question is unanswered, help us to find answer for this one

11.

You are designing a web site and need to set the background image for all the web pages. You want a small background image to repeat and fill up the whole background. Which of the following body styles is ideal for this?

Note: This Question is unanswered, help us to find answer for this one

12.

You declared an array as follows:

var arr;

What value would JavaScript assign to an uninitialized element of this array?

Note: This Question is unanswered, help us to find answer for this one

13.

Which of the following style properties is used to display only a part of an image?

Note: This Question is unanswered, help us to find answer for this one

14.

What is the default value for z-index?

Note: This Question is unanswered, help us to find answer for this one

15.

Consider the three variables:

someText = 'JavaScript1.2';
pattern = /(\w+)(\d)\.(\d)/i;
outCome = pattern.exec(someText);

What does pattern.ignoreCase contain?

Note: This Question is unanswered, help us to find answer for this one

16.

Which non-standard parameter is required when using the photos.createAlbum method?

Note: This Question is unanswered, help us to find answer for this one

17.

You are setting cookies with JavaScript. What happens to cookies.txt data if the file exceeds the maximum size?

Note: This Question is unanswered, help us to find answer for this one

18.

You want to position a heading at 15 pixels from the left of the page and 20 pixels from the top of the page. The
style definition should be:

Note: This Question is unanswered, help us to find answer for this one

19.

After clicking on a link, your main browser window spawns a small new window and writes some text on it. When
both the window page sources are viewed, the small window page source seems identical to that of the large
one. Which of the following makes this happen?

Note: This Question is unanswered, help us to find answer for this one

20.

Which of the following code snippets is more efficient and why?
<script language="javascript">
for(i=0;i<document.images.length;i++)
document.images[i].src="blank.gif";
</script>
<script language="javascript">
var theimages = document.images;
for(i=0;i<theimages.length;i++)
theimages[i].src="blank.gif"
</script>

Note: This Question is unanswered, help us to find answer for this one

21.

The width of the h4 is defined as follow:
H4 {width:95%;}
How can you make the heading blur?

Note: This Question is unanswered, help us to find answer for this one

22.

How would you randomly choose an element from an array named myStuff if the number of elements changes
dynamically?

Note: This Question is unanswered, help us to find answer for this one

23.

Which of the following is not a JavaScript event?

Note: This Question is unanswered, help us to find answer for this one

24.

Which of the following helps you create hyperlinks without an underline?

Note: This Question is unanswered, help us to find answer for this one

25.

Following is a sample CSS style:
1. p
2. (
3. font-family:arial
4. color:black
5. text-align:left
6. );
What are the corrections required in this style?

Note: This Question is unanswered, help us to find answer for this one

26.

Which of the following can you use to accept user input?

Note: This question has more than 1 correct answers

Note: This Question is unanswered, help us to find answer for this one

27.

Which of the following statements is incorrect with regard to a style sheet?
 

Note: This Question is unanswered, help us to find answer for this one

28.

You are displaying image thumbnails on a page. Upon clicking a thumbnail, the image is being displayed in its
actual size. You do not want the user to be able to click the thumbnails unless they are completely downloaded.
Which event will you use to prevent the user from clicking on the thumbnails until they are completely
downloaded?

Note: This Question is unanswered, help us to find answer for this one

29.

DHTML is a standard defined by the World Wide Web Consortium.

Note: This Question is unanswered, help us to find answer for this one

30.

Which of the following statements is true with regard to setTimeout()?

Note: This Question is unanswered, help us to find answer for this one

31.

The width of h3 is defined as follow:

H3 {width:100%;}

How can you make the heading glow?

Note: This Question is unanswered, help us to find answer for this one

32.

Which of the following properties of JavaScript is used to store the extra values for DHTML tricks?

Note: This Question is unanswered, help us to find answer for this one

33.

You want to shake a link on the mouseover event. If the style position is set to relative and the anchor id is lnk1, which of the following code lines will be useful with a timer?

Note: This Question is unanswered, help us to find answer for this one

34.

You have defined an image tag as follows:

<img id="ERImage" width="100" height="100" onmouseover="ImageChange()"  src="Image1.jpg">

How would you implement ImageChange() function, if the new image to be set for mouseover is Image2.jpg?

Note: This Question is unanswered, help us to find answer for this one

35.

You are required to create a web page in which hyperlinked sub-headings are displayed. On clicking a link, the contents should get displayed dynamically. Which of the following style attributes would you use for this?

Note: This Question is unanswered, help us to find answer for this one

36.

An HTML form has 10 checkboxes which are all named "chkItems". Which JavaScript function can be used for checking all the checkboxes together?

Note: This Question is unanswered, help us to find answer for this one

37.

Sliding menus can be made using DHTML?

Note: This Question is unanswered, help us to find answer for this one

38.

Which of the following will you use for changing the color of a button with id=btn, to green on a mouseover event?

Note: This Question is unanswered, help us to find answer for this one

39.

You developed a web page using HTML and style sheets. You defined H4 style in the head tag, imported style sheet, as well as inline. Which of the following style definitions is used when the page is rendered in a browser?

Note: This Question is unanswered, help us to find answer for this one

40.

Your website displays a few articles on java programming. If you want to leave '1 cm' space above and below the code blocks, you would use code { margin-top:1cm ; margin-bottom:1cm }.

Note: This Question is unanswered, help us to find answer for this one

41.

Which of the following is used to display an image behind the paragraph text?

Note: This Question is unanswered, help us to find answer for this one

42.

How can you use a timer with a function called rearrange()?

Note: This Question is unanswered, help us to find answer for this one

43.

Which of the following is not considered a part of DHTML?

Note: This Question is unanswered, help us to find answer for this one

44.

DHTML uses a combination of:

Note: This Question is unanswered, help us to find answer for this one

45.

Which of the following will you use for changing the color of the textbox text with id=txtLocation to blue, on a mouseover event?

Note: This Question is unanswered, help us to find answer for this one

46.

A DHTML page contains a table in between some text. You want to shift the table 20 pixels on the right to separate it from text. Which of the following styles would be suitable for the purpose?

Note: This question has more than 1 correct answers

Note: This Question is unanswered, help us to find answer for this one

47.

The width of the h4 is defined as follow:

 H4 {width:80%;}

 How can you make the heading drop shadow?

Note: This Question is unanswered, help us to find answer for this one

48.

Which of the following styles will be helpful in keeping an image at a fixed position on the webpage, even if someone scrolls the page?

Note: This Question is unanswered, help us to find answer for this one

49.

You are formatting your error messages using the following inline style definition:

<span class="error" style="color: red">Error message.</span>

Now you want the error message text to be displayed in blue color. But the problem is that you are not permitted to edit the HTML code, you can only edit the imported style sheet. Which style definition will you use in the imported style sheet to achieve this?

Note: This Question is unanswered, help us to find answer for this one

50.

Which of the following in-built functions is useful when you want to access a form element using its id?

Note: This Question is unanswered, help us to find answer for this one

51.

Choose another way to write x ? a = b : a = c

Note: This Question is unanswered, help us to find answer for this one

52.

Which of the following is an important parameter of the wave filter?

Note: This Question is unanswered, help us to find answer for this one

53.

The anchor tag is defined as follows:

<a href="http://expertrating.com">expertrating</a>

Which of the following styles will increase the spacing between letters on mouseover?

Note: This Question is unanswered, help us to find answer for this one

54.

You have embedded the document.write() method to write some text within a pair of <TD></TD> table tags. On loading the file, you get some garbled junk on the page that should contain the text. What makes this happen?

Note: This Question is unanswered, help us to find answer for this one

55.

While coding a loop, you come across a condition where you have to ignore the rest of the statements and continue with the beginning of the loop. Which of the following statements would you use?

Note: This Question is unanswered, help us to find answer for this one

56.

How would you create a popup window that closes after n seconds?

Note: This Question is unanswered, help us to find answer for this one

57.

Which of the following is true? 

Note: This Question is unanswered, help us to find answer for this one

58.

You want to validate the value in a field as soon as the user moves out of the field by pressing the tab key. Which of the following events would you use?

Note: This Question is unanswered, help us to find answer for this one

59.

For making the text transparent, the mask filter can be used like:

Note: This Question is unanswered, help us to find answer for this one

60.

Given below is a window.open function:

        window.open(url,name,"attributes")

How will you ensure that different URLs open in the same window?

Note: This Question is unanswered, help us to find answer for this one

61.

Which of the following helps you import a style sheet named "ssa.css" in the web page?

Note: This Question is unanswered, help us to find answer for this one

62.

Which of the following is not a CSS filter?

Note: This Question is unanswered, help us to find answer for this one

63.

You have created an object. How can you add a property to the object class? 

Note: This Question is unanswered, help us to find answer for this one

64.

Which code will be useful for disabling the right click event in Internet Explorer?

Note: This Question is unanswered, help us to find answer for this one

65.

What is the default value for overflow property?

Note: This Question is unanswered, help us to find answer for this one

66.

You have this image definition:

<img id="logo" src="companylogo1.gif" height="12" width="12" >

Which of the following would be helpful for changing the image to "companylogo2.gif" on page load?

Note: This Question is unanswered, help us to find answer for this one

67.

How would you test whether or not a browser window is open?

Note: This question has more than 1 correct answers

Note: This Question is unanswered, help us to find answer for this one

68.

You want to move all the paragraphs 30px towards the right relative to their normal position. The style definition should be:

Note: This Question is unanswered, help us to find answer for this one

69.

How will you change the color of the paragraph text to blue on placing the mouse over the paragraph, and reset it back when the mouse leaves the paragraph?

Note: This Question is unanswered, help us to find answer for this one

70.

How would you double the image size of an Image on a mouseover event, if the original width and height are 100px and id is logo?

Note: This question has more than 1 correct answers

Note: This Question is unanswered, help us to find answer for this one

71.

What is the error in the statement var charConvert = toCharCode('x')?

Note: This Question is unanswered, help us to find answer for this one

72.

Consider the following JavaScript alert:

<script type="text/javascript">
function message()
{
alert("Welcome to E-Business!!!")
}
</script>

You want the user to see the above message upon opening the page, how will you implement this?

Note: This Question is unanswered, help us to find answer for this one

73.

Which of the following is not a JavaScript event?

Note: This Question is unanswered, help us to find answer for this one

74.

Consider an HTML form with a checkbox and a text field. When data is entered and the Enter key is pressed, the data seems to be lost before the user can click on the button that calls the processing function. How would you correct this programatically? 

Note: This Question is unanswered, help us to find answer for this one

75.

Which of the following code snippets is more effective? Why is it so?

<script language="javascript">

        for(i=0;i<document.images.length;i++)

                document.images[i].src="blank.gif";

</script>

<script language="javascript">

        var theimages = document.images;

        for(i=0;i<theimages.length;i++)

                theimages[i].src="blank.gif"

</script>

Note: This Question is unanswered, help us to find answer for this one

76.

What will the following code snippet do?

<form onreset="alert('Please again fill the form')">

Note: This Question is unanswered, help us to find answer for this one

77.

This is a JavaScript function for changing the color of the text box named "txtName":

function SetColor(col)

{ document.forms[0].txtName.style.background=col }

How will you change the color of the text box txtName to green, only for the time that the user is pressing any key?

Note: This Question is unanswered, help us to find answer for this one

78.

How would you change the image position from absolute to relative, if the image id is "ERImage"?

Note: This Question is unanswered, help us to find answer for this one

79.

You want to display an alert that contains a ' (single-quote) character. Which of the following characters would you use to escape the ' character?

Note: This Question is unanswered, help us to find answer for this one

80.

Which of the following statements with regard to CSS is correct?

Note: This Question is unanswered, help us to find answer for this one

81.

You have two images of buttons, one bright and the other one dull. You want to change the dull image into a bright one. Which of the following attributes would you use with the img tag?

Note: This Question is unanswered, help us to find answer for this one

82.

You want to delete an element from an options array. How would you do it?

Note: This Question is unanswered, help us to find answer for this one

83.

The following statements show two ways of calling a JavaScript function:

i)onclick = "a()"

ii)onclick="javascript:a()"

a() refers to a function written in JavaScript.

Which of the following statements is correct with regard to the above two statements?

Note: This Question is unanswered, help us to find answer for this one

84.

Which of the options is true for the following style, if h2 and h3 will be positioned on the top of each other?

h2{z-index:1;}

h3{z-index:2;}

Note: This Question is unanswered, help us to find answer for this one

85.

Consider the following validate function:

<script type="text/javascript">
function ValidateField()
{
        if(document.forms[0].txtId.value =="")
                {return false;}
        return true;
}
</script>

This function should be called as soon as the user leaves the field. What will you do?

Note: This Question is unanswered, help us to find answer for this one

86.

You are developing a website for children. You want to format the borders of big <td> cells (as mentioned below) for some fun game:

 Left Border:double

 Right Border:dashed

 Top Border:dotted

Bottom Border:solid

 Which of the following would be the correct style definition?

Note: This Question is unanswered, help us to find answer for this one

87.

When does the load event of the browser occur?

Note: This Question is unanswered, help us to find answer for this one

88.

You are developing an application and there is a possibility of certain users using older browser versions. You want to hide the JavaScript code in the browsers that do not support JavaScript. How would you do this?

Note: This Question is unanswered, help us to find answer for this one

89.

If an image is placed styled with z-index=-1 and a text paragraph is overlapped with it. Which one will come on top?

Note: This Question is unanswered, help us to find answer for this one

90.

The following code snippet is used in form validation, the validate function is supposed to return a true if all validations are successful and false if the validation fails. However, the data is always submitted even if the validation fails, what could the cause be?

<form name="frmadd" method="post" action="add.asp" onsubmit="validate()">

Note: This Question is unanswered, help us to find answer for this one

91.

What does the code snippet do?  <input type='radio' name='r1' value='adio1' onclick='this.checked=false;alert('sorry')'>

Note: This Question is unanswered, help us to find answer for this one

92.

You have a button definition as given below:

<input class="a" type="button" value="Calculate">

To load an image "Img2.jpg" as the background of the button on a mouseover event, you can use:

Note: This Question is unanswered, help us to find answer for this one

93.

The anchor tag is defined as follows:

<a href="http://expertrating.com">expertrating</a>

Which of the following styles will make convert this to capital letters on mouseover?

Note: This Question is unanswered, help us to find answer for this one

94.

How will you display text as a superscript?

Note: This Question is unanswered, help us to find answer for this one

95.

You do not want the end user to see the JavaScript code embedded in the HTML file when the user views the source of the HTML page. Which of the following helps you achieve this?

Note: This Question is unanswered, help us to find answer for this one

96.

Which of the following properties is used to redirect a visitor to another page? 

Note: This Question is unanswered, help us to find answer for this one

97.

You are collecting the user's details on a webpage form. The id has to be repeated twice on the form, but you want the user to fill it once only. If the name of the first id is id1 and the second (to be auto filled) is id2, which code will you supply to the onkeyup event of id1?

Note: This Question is unanswered, help us to find answer for this one

98.

Which of the following helps you make the text color change to green on moving the mouse over the text?

Note: This question has more than 1 correct answers

Note: This Question is unanswered, help us to find answer for this one

99. Which of the following tags checks the nested body content of a tag and determine whether the specified value is an appropriate substring of the requested variable?

Note: This Question is unanswered, help us to find answer for this one

100. Which property Removes empty Text nodes, and joins adjacent nodes?

Note: This Question is unanswered, help us to find answer for this one

101. What is the color of “Rainbow” in the following code? <style> div {color:blue !important;} </style> <div id="id" color="green" style="color:red !important;">Rainbow</div> <script> document.getElementById('id').style.color = 'yellow !important'; </script>

Note: This Question is unanswered, help us to find answer for this one

102. Which of the following is TRUE about replaceChild(Node1, Node2)?

Note: This Question is unanswered, help us to find answer for this one

103. Which of the following has the higest priority in CSS?

Note: This Question is unanswered, help us to find answer for this one

104. What does document.body.nodeType returns?

Note: This Question is unanswered, help us to find answer for this one

105. Which of the following attributes is not involved in layer?

Note: This Question is unanswered, help us to find answer for this one

106. Which of the following is not a DOM Event Property?

Note: This Question is unanswered, help us to find answer for this one

107. What is the correct way to access a parent node?

Note: This Question is unanswered, help us to find answer for this one

108. Which of the following function is used for restricting events to propogate to parent in IE?

Note: This Question is unanswered, help us to find answer for this one

109. What is the event name which gets triggered when the submit button is pressed on the form?

Note: This Question is unanswered, help us to find answer for this one

110. Which of the following is TRUE about cancelling event bubbling and event default action?

Note: This Question is unanswered, help us to find answer for this one

111. Which of the follow link will trigger an alert message that displays ‘myID’?

Note: This Question is unanswered, help us to find answer for this one

112. What is the difference between DOM Node and Element?

Note: This Question is unanswered, help us to find answer for this one

113. What is the color of “Rainbow” in the following code? <style> div {color:blue;} </style> <script> document.getElementById('id').style.color = 'yellow'; </script> <div id="id" color="green" style="color:red;">Rainbow</div>

Note: This Question is unanswered, help us to find answer for this one

114. What does element.childNodes return?

Note: This Question is unanswered, help us to find answer for this one

115. What does the Node.nodeType property returns?

Note: This Question is unanswered, help us to find answer for this one

116. Which of the following code will flicker the text?

Note: This Question is unanswered, help us to find answer for this one

117. True or False. The appendChild() method can be used to move an element from one element to another.

Note: This Question is unanswered, help us to find answer for this one

118. Which of the following is FALSE about addEventListener?

Note: This Question is unanswered, help us to find answer for this one

119. Which of the following is an INVALID method for accessing HTML attributes using the DOM?

Note: This Question is unanswered, help us to find answer for this one

120. Which of the following is FALSE about SPAN?

Note: This Question is unanswered, help us to find answer for this one

121. Which of the following is a valid way to restrict autocomplete of a form?

Note: This Question is unanswered, help us to find answer for this one

122. What is the difference between font-size and fontSize?

Note: This Question is unanswered, help us to find answer for this one

123. Which of the following is TRUE about function : document.addEventListener("DOMContentLoaded", testFunc, false)?

Note: This Question is unanswered, help us to find answer for this one

124. Which DHTML technology does the following code utilize? document.getElementById('id').style.color = 'blue';

Note: This Question is unanswered, help us to find answer for this one

125. Which of the following tags can be used to refer a .css file in a web page?

Note: This Question is unanswered, help us to find answer for this one

126. Which of the following is TRUE about appendChild(newNode)?

Note: This Question is unanswered, help us to find answer for this one

127. Which of the following is TRUE about code written in <% %>?

Note: This Question is unanswered, help us to find answer for this one

128. Which of the following code will display the text “Invisible Man”? <div id="name" class="person">The Invisible Man</div>

Note: This Question is unanswered, help us to find answer for this one

129. What does document.getElementById("intro") function returns if "intro" does not exist?

Note: This Question is unanswered, help us to find answer for this one

130. Which of the following is true about the function : object.addEventListener(click, doThis, capture)?

Note: This Question is unanswered, help us to find answer for this one

131. Which of the following is TRUE about code written in <%= %>?

Note: This Question is unanswered, help us to find answer for this one