some Q AND A We can change the order of precedence in JavaScript using parenthes
ID: 3877689 • Letter: S
Question
some Q AND A
We can change the order of precedence in JavaScript using
parenthesis
curly braces
commas
semi-colons
WHICH ONE
After the statement var x = 10 % 2, x will equal
0
1
2
WHICH ONE
All JavaScript identifiers are case sensitive.
True
False
WHICH ONE
JavaScript variables are declared using the keyword
define
var
set
WHICH ONE
JavaScript literals are
fixed values
variable values
changing values
loosely typed va
You can place a JavaScript function where?
The body element of an HTML document
The head element of an HTML document
An external file
All of the above
WHICH ONE
The + operator when used with two string operands means
arithmetic addition
string interpolation
string concatenation
neither, it will confuse the compiler
WHICH ONE
To include JavaScript in an HTML document, you can place JavaScript code into a(n) ______ element.
src
script
javascript
external
WHICH ONE
Typically statements in JavaScript end with
dot
exclamation
semi-colon
curly brace
WHICH ONE
When a variable is declared but no value has been assigned, it has a value of
nil
nothing
undefined
undeclared
WHICH ONE
In order to display an popup alert style message using JavaScript, use
innerHTML
document.write
window.alert
window.showDialog
WHIC
JavaScript types are dynamic, which means
We can store multiple values in a single variable
A variable can be re-assigned several times
A variable can be sent too and from a function call
A variable can be used to store different data types
WHICH ONE
H ONE
riables
parenthesis
curly braces
commas
semi-colons
WHICH ONE
After the statement var x = 10 % 2, x will equal
0
1
2
WHICH ONE
All JavaScript identifiers are case sensitive.
True
False
WHICH ONE
JavaScript variables are declared using the keyword
define
var
set
WHICH ONE
JavaScript literals are
fixed values
variable values
changing values
loosely typed va
You can place a JavaScript function where?
The body element of an HTML document
The head element of an HTML document
An external file
All of the above
WHICH ONE
The + operator when used with two string operands means
arithmetic addition
string interpolation
string concatenation
neither, it will confuse the compiler
WHICH ONE
To include JavaScript in an HTML document, you can place JavaScript code into a(n) ______ element.
src
script
javascript
external
WHICH ONE
Typically statements in JavaScript end with
dot
exclamation
semi-colon
curly brace
WHICH ONE
When a variable is declared but no value has been assigned, it has a value of
nil
nothing
undefined
undeclared
WHICH ONE
In order to display an popup alert style message using JavaScript, use
innerHTML
document.write
window.alert
window.showDialog
WHIC
JavaScript types are dynamic, which means
We can store multiple values in a single variable
A variable can be re-assigned several times
A variable can be sent too and from a function call
A variable can be used to store different data types
WHICH ONE
H ONE
riables
Explanation / Answer
Q) We can change the order of precedence in JavaScript using
A) Parenthesis (expressions in parenthesis are the one will be executed first)
Q) After the statement var x = 10 % 2, x will equal
A) 0 (Remainder of 10 divided by 2 is 0)
Q)JavaScript variables are declared using the keyword
A) var
Q) JavaScript literals are
A) fixed values. (in java script there are two values fixed and variables. Fixed values are called literals and varaible values are called variables)
Q)The + operator when used with two string operands means
A) String concatenation.
Q) To include JavaScript in an HTML document, you can place JavaScript code into a(n) ______ element
A) script (java script code will be written in script tags)
Q) Typically statements in JavaScript end with
A) semicolon
Q) When a variable is declared but no value has been assigned, it has a value of
A) nothing
Q)In order to display an popup alert style message using JavaScript, use
A) window.alert
Q) JavaScript types are dynamic, which means
A) A variable can be used to store different data types
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