Microsoft 070-480日本語 Actual Free Exam Questions & Community Discussion
Correct Answer: A
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Correct Answer:
Explanation
* border: 1px solid #f00;
a red border 1 pixel thick.
* background-image: linear-gradient(to bottom, green,black);
Linear Gradients (goes down/up/left/right/diagonally).
Starts at the top with green and goes to bottom with black.
* margin: 10px 10px 10px 10px;
The CSS margin properties define the space around elements.
The top, right, bottom, and left margin can be changed independently using separate properties.
Incorrect:
* border-color: red;
will not display any border
* Radial Gradients (defined by their center).
Correct Answer:
Explanation
Target 1:
Var newOption = document.createElement ("option") ;
Target 2:
Option.appendChild (newOption.text) ;
Correct Answer: C
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Correct Answer:
Explanation
Box 1-3: The <input type="range"> is used for input fields that should contain a value within a range.
Example
<input type="range" name="points" min="0" max="10">
Box 4-5: Use the value attribute to set the default value
Box 6: Definition and Usage
The required attribute is a boolean attribute.
When present, it specifies that an input field must be filled out before submitting the form.
Example
Username: <input type="text" name="usrname" required>
Reference: HTML Input Types
http://www.w3schools.com/html/html_form_input_types.asp
Correct Answer: C
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Correct Answer:
Explanation
Example: throw new Error(200, "x equals zero");
Reference: throw Statement (JavaScript)
Correct Answer:
Explanation
* addEventListener
The addEventListener() method attaches an event handler to the specified element.
In context of a worker, both self and this refer to the global scope. The worker can either add an event listener for the message event, or it can define the onmessage handler to listen for any messages sent by the parent thread.
* postmessage
Pass a message to the worker.
* close()
Terminating Workers
Workers are resource-intensive; they are OS-level threads. Therefore, you do no want to create a large number of worker threads, and you should terminate the web worker after it completes its work. Workers can terminate themselves, like this:
self.close();
Reference: HTML DOM addEventListener() Method; The Basics of Web Workers
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