98-382 試験問題を無料オンラインアクセス

HOTSPOT
You are creating a function named countdown. The function accepts a single parameter, start, and displays a countdown from that number down to zero in increments of one.
How should you complete the code? To answer, select the appropriate code segments in the answer area.

正解：

Explanation:

References: https://www.w3schools.com/js/js_operators.asp

DRAG DROP
A JavaScript array is initialized as follows:

You write the following code to manipulate the array:

You need to determine the contents of the array.
Which four elements does the array contain in sequence? To answer, move the appropriate elements from the list of elements to the answer area and arrange them in the correct order.

正解：

Explanation:
Box 1: 100
Box 2: 40
Box 3: 60
Box 4: 10
References: https://www.bennadel.com/blog/1796-javascript-array-methods-unshift-shift- push-and-pop.htm

HOTSPOT
You are designing a web page that contains a blue button. When the button is pressed, it should call a function that displays the message 'Welcome!'. When the cursor hovers over the button, the button should turn red. When the cursor leaves the button, the button should revert back to its original color of blue.
You want to complete the markup using the appropriate HTML events.
How should you complete the markup? To answer, select the appropriate event in the answer area.
NOTE: Each correct selection is worth one point.

正解：

Explanation:

References: https://www.w3schools.com/jsref/dom_obj_event.asp

You are creating a web page that allows customers to choose how hot their spice is. If they choose spicy, a warning should be displayed.
You create the following form. Line numbers are included for reference only.

You create the following JavaScript code to display the warning.

When you choose spicy and click Order, the warning fails to display.
You need to solve this problem.
What should you do?

• A.Change line 10 to var option.value = document.forms.orderForm["heatIndex"];
• B.Change line 07 to <button onclick = "checkWarning;">Order</button>
• C.Change line 10 to var option = document.forms.orderForm["heatIndex"].value;
• D.Change line 07 to <button onchange = "checkWarning();">Order</button>

You are writing a function that calculates the remainder for integer division. The function receives two parameters, a and b, and must return the remainder that is left over when the integer a is divided by the integer b.
You create the following code. Line numbers are for reference only.

You want to complete the function for lines 02 and 03.
Which two sets of code segments should you use? Each correct answer presents a complete solution. (Choose two.)

• A.Option E
• B.Option D
• C.Option A
• D.Option C
• E.Option B
• F.Option F