JavaScript Practices #5
Authored by Nixon Lopez
Computers
12th Grade
Used 5+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You are writing a program that includes an update() function. The function must update a paragraph element with input from the user and then hide the input box.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Internal JavaScript can be placed within the <head> tag.
True
False
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Placing your scripts at the bottom of the page body lets the browser load the other elements of the page first.
True
False
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Internal JavaScript is linked using the tag <script src=”internal” type=”text/javascript”>.
True
False
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
You need to determine whether a string named str is empty.
What is the correct syntax?
str == null
str == “null”
str == “”
str == “empty”
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Analyze the following code. Line numbers are included for reference only.
The call to the multiply function on line 19 returns 100
True
False
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the data type for line 05?
string
boolean
number
null
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