Deck 1: Javascript Basics: Syntax, Execution, and Capabilities
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Deck 1: Javascript Basics: Syntax, Execution, and Capabilities
1
Javascript is _________ language.
A)application
B)programming
C)scripting
D)none of these
A)application
B)programming
C)scripting
D)none of these
scripting
2
When a user views a page containing a JavaScript program, which machine actually executes the script?
A)the user's machine running a web browser
B)the web server
C)a central machine deep within netscape's corporate offices
D)none of the above
A)the user's machine running a web browser
B)the web server
C)a central machine deep within netscape's corporate offices
D)none of the above
the user's machine running a web browser
3
_____ JavaScript statements embedded in an HTML page can respond to user events such as mouse-clicks, form input, and page navigation.
A)client-side
B)server-side
C)local
D)native
A)client-side
B)server-side
C)local
D)native
client-side
4
Which of the following can't be done with client-side JavaScript?
A)validating a form
B)sending a form\s contents by email
C)storing the form\s contents to a database file on the server
D)none of the above
A)validating a form
B)sending a form\s contents by email
C)storing the form\s contents to a database file on the server
D)none of the above
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5
Which of the following are capabilities of functions in JavaScript?
A)return a value
B)accept parameters and return a value
C)accept parameters
D)none of the above
A)return a value
B)accept parameters and return a value
C)accept parameters
D)none of the above
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6
______ tag is an extension to HTML that can enclose any number of JavaScript statements.
A)<script>
B)<body>
C)<head>
D)<title>
A)<script>
B)<body>
C)<head>
D)<title>
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7
Which of the following attribute can hold the JavaScript version?
A)language
B)script
C)version
D)none of the above
A)language
B)script
C)version
D)none of the above
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8
What is the correct JavaScript syntax to write "Hello World"?
A)system.out.println("hello world")
B)println ("hello world")
C)document.write("hello world")
D)response.write("hello world")
A)system.out.println("hello world")
B)println ("hello world")
C)document.write("hello world")
D)response.write("hello world")
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9
Which of the following way can be used to indicate the LANGUAGE attribute?
A)<language="javascriptversion">
B)<script language="javascriptversion">
C)<script language="javascriptversion"> javascript statements…</script>
D)<script language="javascriptversion"!> javascript statements…</script>
A)<language="javascriptversion">
B)<script language="javascriptversion">
C)<script language="javascriptversion"> javascript statements…</script>
D)<script language="javascriptversion"!> javascript statements…</script>
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10
Inside which HTML element do we put the JavaScript?
A)<js>
B)<scripting>
C)<script>
D)<javascript>
A)<js>
B)<scripting>
C)<script>
D)<javascript>
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11
What is the correct syntax for referring to an external script called " abc.js"?
A)<script href=" abc.js">
B)<script name=" abc.js">
C)<script src=" abc.js">
D)none of the above
A)<script href=" abc.js">
B)<script name=" abc.js">
C)<script src=" abc.js">
D)none of the above
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12
What does the <noscript> tag do?
A)enclose text to be displayed by non-javascript browsers.
B)prevents scripts on the page from executing.
C)describes certain low-budget movies.
D)none of the above
A)enclose text to be displayed by non-javascript browsers.
B)prevents scripts on the page from executing.
C)describes certain low-budget movies.
D)none of the above
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13
JavaScript entities start with _______ and end with _________.
A)semicolon, colon
B)semicolon, ampersand
C)ampersand, colon
D)ampersand, semicolon
A)semicolon, colon
B)semicolon, ampersand
C)ampersand, colon
D)ampersand, semicolon
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14
Which of the following best describes JavaScript?
A)low-level programming language.
B)a scripting language precompiled in the browser.
C)a compiled scripting language.
D)an object-oriented scripting language.
A)low-level programming language.
B)a scripting language precompiled in the browser.
C)a compiled scripting language.
D)an object-oriented scripting language.
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15
Which of the following event fires when the form element loses the focus: <button>, <input>, <label>, <select>, <textarea>?
A)onfocus
B)onblur
C)onclick
D)ondblclick
A)onfocus
B)onblur
C)onclick
D)ondblclick
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16
JavaScript is interpreted by _________
A)client
B)server
C)object
D)none of the above
A)client
B)server
C)object
D)none of the above
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17
How to create a Date object in JavaScript?
A)dateobjectname = new date([parameters])
B)dateobjectname.newdate([parameters])
C)dateobjectname := new date([parameters])
D)dateobjectname date([parameters])
A)dateobjectname = new date([parameters])
B)dateobjectname.newdate([parameters])
C)dateobjectname := new date([parameters])
D)dateobjectname date([parameters])
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18
The syntax of a blur method in a button object is ______________
A)blur()
B)blur(contrast)
C)blur(value)
D)blur(depth)
A)blur()
B)blur(contrast)
C)blur(value)
D)blur(depth)
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19
The syntax of capture events method for document object is ______________
A)captureevents()
B)captureevents(argseventtype)
C)captureevents(eventtype)
D)captureevents(eventval)
A)captureevents()
B)captureevents(argseventtype)
C)captureevents(eventtype)
D)captureevents(eventval)
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20
The syntax of close method for document object is ______________
A)close(doc)
B)close(object)
C)close(val)
D)close()
A)close(doc)
B)close(object)
C)close(val)
D)close()
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21
Choose the client-side JavaScript object:
A)database
B)cursor
C)client
D)fileupload
A)database
B)cursor
C)client
D)fileupload
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22
What Is The Output Of Following JavaScript Code?
-<script language="javascript">function x(){document.write(2+5+"8");}</script>
A)258
B)error
C)7
D)78
-<script language="javascript">function x(){document.write(2+5+"8");}</script>
A)258
B)error
C)7
D)78
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23
What Is The Output Of Following JavaScript Code?
-<script type="text/javascript"> var s = "9123456 or 80000?"; var pattern = /\d{4}/; var output = s.match(pattern); document.write(output); </script>
A)9123
B)91234
C)80000
D)none of the above
-<script type="text/javascript"> var s = "9123456 or 80000?"; var pattern = /\d{4}/; var output = s.match(pattern); document.write(output); </script>
A)9123
B)91234
C)80000
D)none of the above
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24
JavaScript is ______ Side Scripting Language.
A)browser
B)isp
C)noneof these
D)server
A)browser
B)isp
C)noneof these
D)server
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25
Local Browser used for validations on the Web Pages uses __________.
A)java
B)css
C)js
D)html
A)java
B)css
C)js
D)html
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