C777 Web Development Applications Post-Assessment With 100% Correct Answers
Which of the following statements about HTML5 is true? - correct answer - HTML5 does
not require third-party plug-ins for video and audio content
What is the purpose of using the <output> element in a Web form? - correct answer - It displays the result of a calculation in the form
Why are syntax errors so common when writing JavaScript code? - correct answer - Because JavaScript is case-specific
What CSS3 property can be used to create rounded corners on an image or other element? - correct answer - border-radius
What type of JavaScript expression evaluates to true or false? - correct answer - Logical
Which statement is true about JavaScript? - correct answer - JavaScript is widely used for client-side and server-side scripts
You have created a Web page using the HTML5 <nav> structural element to define a navigation area. Consider the following external style sheet code:
nav {
float:left;
width:165px;
background:#d8d8d8 url(background.gif) top right;
height:662px;
}
Where on the page will the image (background.gif) appear? - correct answer - At the top
right of the nav section
Kate has created a complex script that she wants to attach to multiple HTML files, but she also wants to add a simple script to only certain sections of one page. What must she do to apply both scripts? - correct answer - She must use separate <script> elements to call the external script file and to embed a separate script
Vivi is creating a Web page that will allow her employees to upload their timesheets to the company intranet. What HTML5 API can she use to restrict uploads to a specific file type? - correct answer - The File API Which method of form input validation is sometimes referred to as "pogo-sticking" and may lead to users becoming frustrated or impatient with the form? - correct answer - Requiring users to click Submit before validation occurs
Which HTML5 attribute can help users input valid form data in the <textarea> element by providing the user with a hint identifying the expected input in the field? - correct answer - The placeholder attribute
Consider the following code:
<script>
var v1 = "Blue";
function f ()
{
v1 = "Green";
alert (v1);
}
f();
alert (v1);
</script>
What is the expected result when this script is run in the browser? - correct answer - Two alert boxes, both displaying the message Green
You are a novice Web developer, and your mentor has suggested that you familiarize yourself with HTML5 and Cascading Style Sheets (CSS). Being somewhat unfamiliar with CSS, you discover that it is: - correct answer - a Web design technology that enables you to determine how the HTML elements in your Web pages will display
Which CSS property can create rectangles with rounded corners around text? - correct answer - border-radius
Which CSS property defines how text should be handled when it extends beyond its allotted area? - correct answer - text-overflow
Which JavaScript event occurs when the mouse pointer leaves from a link, image or other visible element on the page? - correct answer - mouseout
Which CSS3 selector can you use to apply a style to the first paragraph of every container in a Web page? - correct answer - p:first-of-type
What is another common name for the technique of requesting and reusing data using the JavaScript XMLHttpRequest object with HTML pages and CSS? - correct answer - AJAX
Which of the following statements about HTML5 is true? - correct answer - HTML5 does
not require third-party plug-ins for video and audio content
What is the purpose of using the <output> element in a Web form? - correct answer - It displays the result of a calculation in the form
Why are syntax errors so common when writing JavaScript code? - correct answer - Because JavaScript is case-specific
What CSS3 property can be used to create rounded corners on an image or other element? - correct answer - border-radius
What type of JavaScript expression evaluates to true or false? - correct answer - Logical
Which statement is true about JavaScript? - correct answer - JavaScript is widely used for client-side and server-side scripts
You have created a Web page using the HTML5 <nav> structural element to define a navigation area. Consider the following external style sheet code:
nav {
float:left;
width:165px;
background:#d8d8d8 url(background.gif) top right;
height:662px;
}
Where on the page will the image (background.gif) appear? - correct answer - At the top
right of the nav section
Kate has created a complex script that she wants to attach to multiple HTML files, but she also wants to add a simple script to only certain sections of one page. What must she do to apply both scripts? - correct answer - She must use separate <script> elements to call the external script file and to embed a separate script
Vivi is creating a Web page that will allow her employees to upload their timesheets to the company intranet. What HTML5 API can she use to restrict uploads to a specific file type? - correct answer - The File API Which method of form input validation is sometimes referred to as "pogo-sticking" and may lead to users becoming frustrated or impatient with the form? - correct answer - Requiring users to click Submit before validation occurs
Which HTML5 attribute can help users input valid form data in the <textarea> element by providing the user with a hint identifying the expected input in the field? - correct answer - The placeholder attribute
Consider the following code:
<script>
var v1 = "Blue";
function f ()
{
v1 = "Green";
alert (v1);
}
f();
alert (v1);
</script>
What is the expected result when this script is run in the browser? - correct answer - Two alert boxes, both displaying the message Green
You are a novice Web developer, and your mentor has suggested that you familiarize yourself with HTML5 and Cascading Style Sheets (CSS). Being somewhat unfamiliar with CSS, you discover that it is: - correct answer - a Web design technology that enables you to determine how the HTML elements in your Web pages will display
Which CSS property can create rectangles with rounded corners around text? - correct answer - border-radius
Which CSS property defines how text should be handled when it extends beyond its allotted area? - correct answer - text-overflow
Which JavaScript event occurs when the mouse pointer leaves from a link, image or other visible element on the page? - correct answer - mouseout
Which CSS3 selector can you use to apply a style to the first paragraph of every container in a Web page? - correct answer - p:first-of-type
What is another common name for the technique of requesting and reusing data using the JavaScript XMLHttpRequest object with HTML pages and CSS? - correct answer - AJAX
