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Webpardi
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What is the top-level object in HTML DOM? Answer. The top-level object class in HTML DOM is window. HTML-200 ... Write an HTML tag to create a command button ... – PowerPoint PPT presentation
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Title: Webpardi
1
Webpardi
HTML
GEN
CS
JS
OPS
100
100
100
100
100
200
200
200
200
200
300
300
300
300
300
2
HTML-100
- What is the top-level object in HTML DOM?
3
Answer
- The top-level object class in HTML DOM is window.
4
HTML-200
- Why do you place JavaScript commands within HTML
comment tags?
5
Answer
- Because older Web browsers cannot interpret
JavaScript commands and might interpret them as
part of the HTML text.
6
HTML-300
- Write an HTML tag to create a command button with
the label Process Data that contains an event
handler that calls a JavaScript function named
ProcessData() when the user clicks the button.
7
Answer
- ltinput typebutton namecmdbutton
valueProcess Data onclickProcessData()gt
8
GEN-100
- Web database developers use these scripts to
create and read cookies as well as validate use
inputs.
9
Answer
- Client-side scripts
10
GEN-200
- Name four decision control strucrures
11
Answer
- If
- If/else
- If/else if
- Switch statement
12
GEN-300
- The plus sign operator () is a(n) _______
operator and you can use it both to _______
numbers and _________ strings.
13
Answer
- Overloaded
- Add
- concatenate
14
CS-100
- A(n) ______ defines the structures and properties
of similar objects, and a(n) _______ is an object
that belongs to a class.
15
Answer
- Object class
- instance
16
CS-200
- A(n) ______ is an action that occurs as a result
of a user action, and a(n) _______ performs an
action on an object.
17
Answer
- Event
- method
18
CS-300
- What is the difference between a language that is
strongly typed and a language that is loosely
typed?
19
Answer
- A strongly typed programming language requires
that a programmer always declares a variable as
well as specify the type of data before assigning
values or referencing such variable - A loosely typed language does not require this.
20
JS-100
- Two ways to place comments in JavaScript.
21
Answer
- // comments
- / comments.
/
22
JS-200
- In JavaScript, you normally place the code to
define functions in the ________ section of an
HTML document.
23
Answer
- head
24
JS-300
- In a JavaScript function, the return command
25
Answer
- Specifies the value that a function returns to
the calling program - Signals the JavaScript interpreter to resume
execution in the calling program
26
OPS-100
- What is the result of the following JavaScript
operation? - 3 5
27
Answer
- 35
28
OPS-200
- What is the result of the following JavaScript
operation? - (3 4) 5
29
Answer
- 75
30
OPS-300
- What is the result of the following JavaScript
operation? - 3 (4 5)
31
Answer
- 345
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