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Free PDF Quiz 2025 WGU The Best Web-Development-Applications Reasonable Exam Price

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WGU Web Development Applications Sample Questions (Q59-Q64):

NEW QUESTION # 59
What is the process for JavaScript from validation?

A. Form fields are validated as me user inputs data after form data is sent to the server.
B. User input is sent to the server as fields are completed for validation.
C. Form fields are validated after the form is submitted but before form data is sent to the server
D. User input is sent to the server after the form is completed tor validation.

Answer: C

Explanation:
JavaScript form validation typically occurs after the form is submitted but before the form data is sent to the server. This allows the client-side script to check the input data and prevent the form from being submitted if the data is invalid.
* Client-Side Validation:
* Before Form Submission: JavaScript validates the form fields after the user attempts to submit the form.
* Prevent Default Submission: If the validation fails, JavaScript can prevent the form from being submitted and display appropriate error messages.
* Usage Example:
document.getElementById("myForm").addEventListener("submit", function(event) { var isValid = true;
// Perform validation checks
if (!isValid) {
event.preventDefault(); // Prevent form submission
alert("Please correct the errors.");
}
});
This example prevents form submission if the validation fails.
References:
* MDN Web Docs on Form Validation
* W3C HTML Specification on Form Submission

NEW QUESTION # 60
Which element relies on the type attribute to specify acceptable values during form entry?

A. <Select>
B. <Option>
C. <input>
D. <Button>

Answer: C

Explanation:
The <input> element relies on the type attribute to specify acceptable values during form entry. Different input types include text, email, number, password, etc.
* Input Types: The type attribute determines the kind of input control and the acceptable values for that control.
* Usage Example:
<input type="email" placeholder="Enter your email">
<input type="number" min="1" max="10">
These input elements specify acceptable values for email and number inputs respectively.
References:
* MDN Web Docs on <input>
* W3C HTML Specification on Input Types

NEW QUESTION # 61
Given the following code:

What does the console display as output?

A. 0
B. 1
C. 2

Answer: B

Explanation:
Given the code segment:
var a = "8";
var b = "6";
var c = a + b;
console.log(c);
This code concatenates two strings.
* Explanation:
* var a = "8";: Variable a is assigned the string "8".
* var b = "6";: Variable b is assigned the string "6".
* var c = a + b;: The + operator concatenates the two strings, resulting in "86".
* console.log(c);: Outputs the value of c to the console.
* Output:
* The console displays "86" because it concatenates the two string values.
* References:
* MDN Web Docs - String
* W3Schools - JavaScript String

NEW QUESTION # 62
Given the following code:

Which type of user input does the developer request by specifying the pattern attribute?

A. Date
B. Latitude/longitude
C. price
D. Country code

Answer: B

Explanation:
The pattern attribute in the <input> element is used to specify a regular expression that the input's value must match for it to be considered valid. The given pattern -?d{1,3}.d+ matches strings that represent decimal numbers with an optional negative sign, typically used for latitude and longitude values.
* Pattern Explanation:
* -? allows for an optional negative sign.
* d{1,3} matches one to three digits.
* . matches a literal dot.
* d+ matches one or more digits.
* Usage Example:
<input type="text" pattern="-?d{1,3}.d+" placeholder="Enter latitude or longitude"> This pattern ensures the input matches the format of latitude/longitude values.
References:
* MDN Web Docs on <input> pattern attribute
* Regular Expressions Documentation

NEW QUESTION # 63
Given the following JavaScript code:

What happens when this code is executed?

A. The object with the demo is changed to 6.
B. The object with the id innerHTML is changed to x.
C. The object with the id demo is changed to x.
D. The object with the id innerHTML is changed to 6.

Answer: A

Explanation:
The provided JavaScript code sets a variable x to 6 and then assigns this value to the innerHTML of the HTML element with the id demo.
var x;
x = 6;
document.getElementById("demo").innerHTML = x;
Explanation:
* Variable Declaration: var x; declares the variable x.
* Variable Assignment: x = 6; assigns the value 6 to the variable x.
* DOM Manipulation: document.getElementById("demo").innerHTML = x; finds the element with id demo and sets its innerHTML to the value of x, which is 6.
Outcome:
* The content of the HTML element with the id demo will be changed to 6.
References:
* MDN Web Docs on getElementById
* W3C JavaScript DOM Manipulation

NEW QUESTION # 64
......

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