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| Section | Weight | Objectives |
|---|---|---|
| Layouts | 20% | - CSS layout and positioning
|
| JavaScript Coding | 15% | - Event handling
|
| Application Lifecycle Management | 20% | - Testing and debugging
|
| Graphics and Animation | 25% | - Canvas element usage
|
| Forms | 20% | - Form elements and markup
|
>> Valid INF-306 Test Duration <<
With the HTML5 Application Development (INF-306) web-based practice exam, you get the same features as a INF-306 desktop practice test software. It includes real IT Specialist INF-306 exam questions to help you understand each topic. The web-based INF-306 Practice Exam is compatible with every operating system including Mac, Linux, iOS, Windows, and Android. This IT Specialist INF-306 practice exam works fine on Chrome, Internet Explorer, Microsoft Edge, Opera, etc.
NEW QUESTION # 16
You need to ensure that the value of an input element is a valid 10-digit phone number with no symbols. The input element should initially display all zeroes, but that value should never be stored with the form.
Complete the markup by selecting the correct option from each drop-down list.
Answer:
Explanation:
Explanation:
< input id= " phone "
pattern= " [0-9]{10} "
placeholder= " 0000000000 " >
The correct first attribute is pattern because the requirement is to validate the entered value against a specific format: exactly ten numeric digits and no symbols. The regular expression [0-9]{10} means that only digits from 0 through 9 are allowed, and exactly ten of them must be entered. This prevents values such as 123-456-
7890, (123)4567890, or 123 456 7890 because those contain symbols or spaces. The correct second attribute is placeholder, not value, because the input should initially display all zeroes but that displayed text must not be submitted or stored with the form. A placeholder is hint text shown when the field is empty; it disappears when the user enters real data and is not submitted as the control's value. By contrast, value= " 0000000000 " would actually prepopulate the input and could be submitted if the user did not change it. The required option is not selected because the question focuses on format validation and display hint behavior, not mandatory completion. References/topics: HTML5 form validation, pattern, regular expressions, placeholder, input constraint validation.
NEW QUESTION # 17
Which two application features should you implement by using session storage? Choose 2.
Answer: A,E
Explanation:
The correct features are saving temporary authentication tokens and passing form data to a confirmation page.
sessionStorage provides a storage area scoped to the current origin and browser tab, and its data is retained only for the duration of the page session. That makes it appropriate for short-lived application state that must survive page reloads or navigation within the same workflow, but should not remain permanently available after the session ends. Passing form data from an entry page to a confirmation page is a classic session-scoped use case because the data is needed briefly during a multi-page transaction. Temporary authentication tokens can also fit the session-storage model when the token should be tied to the active browser session rather than persisted across future visits. Customized UI/UX settings usually need to persist across sessions, so localStorage or server-side user preferences are more appropriate. Game progress saved for future use is also persistent state, not session-only state. Passing data to a function is ordinary JavaScript memory usage and does not require Web Storage. References/topics: application state management, Web Storage API, sessionStorage, temporary workflow data, session-scoped tokens.
NEW QUESTION # 18
You write the following markup to create a page. Line numbers are included for reference only.
01 < !DOCTYPE html >
02 < html >
03 < head >
04 < style >
05
10 < /style >
11 < /head >
12 < body >
13 < svg height= " 500 " width= " 500 " >
14 < defs >
15 < filter id= " f2 " x= " 0 " y= " 0 " width= " 200% " height= " 200% " >
16 < feOffset result= " offOut " in= " SourceGraphic " dx= " 20 " dy= " 20 " / >
17 < feGaussianBlur result= " blurOut " in= " offOut " stdDeviation= " 10 " / >
18 < feBlend in= " SourceGraphic " in2= " blurOut " mode= " normal " / >
19 < /filter >
20 < /defs >
21 < text x= " 10 " y= " 100 " style= " fill:red; " > Blur Me! < /text >
22 Sorry, your browser does not support inline SVG.
23 < /svg >
24 < /body >
25 < /html >
An SVG blur filter is defined in the markup on the left. You need to apply the SVG blur filter to the text element on the page.
Which CSS code should you insert at line 05?
Answer: C
Explanation:
The correct CSS is option B because the SVG filter is declared inside < defs > with the identifier id= " f2 " .
To apply an SVG filter from CSS, the filter property must reference that filter by URL syntax using the filter' s ID selector: filter: url( " #f2 " );. The text selector targets the SVG < text > element, so the rule applies the defined filter effect to the visible text content, Blur Me!. The filter itself uses < feOffset > , < feGaussianBlur
> , and < feBlend > to create the blurred visual effect. Option A is incorrect because filter: #blur; is not valid filter-reference syntax and does not match the actual filter ID. Option C is incorrect because fill controls paint color, not filter application, and blur is not a valid fill value. Option D uses url(blur), which does not reference the defined f2 filter and omits the required ID reference. References/topics: SVG filters, < filter > , filter IDs, CSS filter: url(#id), SVG < text > styling.
NEW QUESTION # 19
You are creating a form that asks a user to enter their phone number. The form must be submitted only if the phone number field is not empty and matches the format 111-444-7777. Which markup should you use?
Answer: A
Explanation:
The correct markup is option D. The type= " tel " input type is appropriate for telephone-number entry, but it does not automatically validate a specific telephone-number format because phone formats vary internationally. MDN notes that tel inputs allow telephone entry but are not automatically validated to a particular format. Therefore, a pattern attribute is required to enforce the exact structure. The regular expression [0-9]{3}-[0-9] {3}-[0-9]{4} requires three digits, a hyphen, three digits, another hyphen, and four digits, matching the requested format such as 111-444-7777. MDN defines the pattern attribute as a regular expression the input value must match for constraint validation. The required attribute is also necessary because the field must not be empty; MDN states that required indicates the user must specify a value before the form can be submitted. Option A only limits length. Option B lacks hyphen validation and required.
Option C hard-codes only specific digits. References/topics: HTML5 validation, tel, pattern, required, regular expressions.
NEW QUESTION # 20
You need to complete the code for a registration form that must meet the following criteria:
* The Password must be 6-8 characters long and use only letters and numbers.
* The Member ID must follow the pattern ###-##-###.
Complete the markup by selecting the correct option from each drop-down list.
Note: You will receive partial credit for each correct selection.
Answer:
Explanation:
Explanation:
First drop-down: maxlength=8
Second drop-down: pattern=[A-Za-z0-9]{6,8}
Third drop-down: pattern=[0-9]{3}-[0-9] {2}-[0-9]{3}
The password field needs two constraints. maxlength=8 limits the user to a maximum of eight characters, satisfying the upper length requirement. The pattern=[A-Za-z0-9]{6,8} attribute enforces the complete password rule: only uppercase letters, lowercase letters, and digits are allowed, and the total length must be between six and eight characters. A pattern without {6,8} would not enforce the minimum length, and {1,8} would incorrectly allow passwords shorter than six characters. The Member ID field must follow the visible placeholder format 123-45-678, which is three digits, a hyphen, two digits, another hyphen, and three digits.
Therefore, the correct member ID pattern is pattern=[0-9] {3}-[0-9]{2}-[0-9] {3}. The hyphens must be included literally in the pattern because the required format contains them. max=8 is not appropriate for password text length, and size=8 only controls display width, not validation.
NEW QUESTION # 21
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