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Ui/UX_019(자바스크립트 평가) 본문

IT/_HTML_CSS_JS

Ui/UX_019(자바스크립트 평가)

KhanSelf 2017. 8. 2. 14:47

1. Inside which HTML element do we put the JavaScript?

 

① <js> ② <scripting> ③ <script> ④ <javascript>

 

2. What is the correct JavaScript syntax to change the content of the HTML element below?

 

<p id="demo">This is a demonstration.</p>

 

① #demo.innerHTML = "Hello World!";

② document.getElementByName("p").innerHTML = "Hello World!";

③ document.getElementById("demo").innerHTML = "Hello World!";

④ document.getElement("p").innerHTML = "Hello World!";

 

3. Where is the correct place to insert a JavaScript?

 

① Both the <head> section and the <body> section are correct

② The <head> section ③ The <body> section

 

4. What is the correct syntax for referring to an external script called "xxx.js"?

 

① <script src="xxx.js"> ② <script href="xxx.js"> ③ <script name="xxx.js">

 

5. The external JavaScript file must contain the <script> tag.

 

① True ② False

 

6. How do you write "Hello World" in an alert box?

 

① msgBox("Hello World"); ② alertBox("Hello World");

③ alert("Hello World"); ④ msg("Hello World");

 

7. How do you create a function in JavaScript?

 

① function:myFunction() ② function myFunction() ③ function = myFunction()

 

8. How do you call a function named "myFunction"?

 

① call myFunction() ② myFunction() ③ call function myFunction()

 

9. How do you find the number with the highest value of x and y?

 

① Math.max(x, y) ② Math.ceil(x, y) ③ ceil(x, y) ④ top(x, y)

 

 

10. What is the correct JavaScript syntax for opening a new window called "w2" ?

 

① w2 = window.link("http://www.test.com"); ② w2 = window.new("http://www.test.com");

③ w2 = window.open("http://www.test.com"); ④ w2 = window.reload("http://www.test.com");

 

 

11. What is the correct JavaScript syntax to change the style of the HTML?

 

① document.getElementById("test").style.font-size = "20px";

② document.getElementById("test").style.font.size = "20px";

③ document.getElementById("test").style.fontSize = "20px";

④ document.getElementById("test").style.font = "20px";

 

 

12. Change the correct syntax to acess parents window the HERE

 

function changeParents() {

HERE.document.getElementById("test").value = "홍길동";

}

 

 

① self ② opener ③ parents ④ top

 

13. What will the following code result?

 

var str = "javascript";

var str2 = str.substring(1,3);

var str3 = str.substr(7,3);

document.write(str2+" - ");

document.write(str3);

 

① jav - ipt ② jav - rip ③ av - ript ④ av - ipt

 

 

14. How do you round the number 7.25, to the nearest integer?

 

① Math.round(7.25) ② rnd(7.25) ③ Math.rnd(7.25) ④ round(7.25)

 

 

15. What is the correct way to write a JavaScript array?

 

① var colors = (1:"red", 2:"green", 3:"blue")

② var colors = 1 = ("red"), 2 = ("green"), 3 = ("blue")

③ var colors = "red", "green", "blue"

④ var colors = ["red", "green", "blue"]
















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