Functions Of Java Script Questions
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- 1.EJERCICIO: Definir una función que muestre información sobre una cadena de texto que se le pasa como argumento. A partir de la cadena que se le pasa, la función determina si esa cadena está formada sólo por mayúsculas, sólo por minúsculas o por una mezcla de ambas.
- 2.El factorial de un número entero n es una operación matemática que consiste en multiplicar todos los factores n x (n-1) x (n-2) x ... x 1. Así, el factorial de 5 (escrito como 5!) es igual a: 5! = 5 x 4 x 3 x 2 x 1 = 120 Utilizando la estructura for, crear un script que calcule el factorial de un número entero.
- 3.
![Inside which HTML element do we put the JavaScript?]( "Inside which HTML element do we put the JavaScript?")
Inside which HTML element do we put the JavaScript?- A.
1
- B.
2
- C.
3
- D.
4
- 4.Which of the following JavaScript statements use arrays?
- A.
SetTimeout("a["+i+"]",1000)
- B.
K = a & i
- C.
K = a(i)
- 5.Which property would you use to redirect visitor to another page?
- A.
Window.location.href
- B.
Document.href
- C.
Java.redirect.url
- D.
Link.redirect.href
- 6.Wich best describe void?
- A.
A method
- B.
A function
- C.
An operator
- D.
A statement
- 7.What is the correct JavaScript syntax to write "Hello World"?
- A.
Response.write("Hello World")
- B.
Document.write("Hello World")
- C.
("Hello World")
- D.
Echo("Hello World")
- 8.How do you call a function named "myFunction"?
- A.
Call myFunction()
- B.
MyFunction()
- C.
Call function myFunction
- 9.How do you write a conditional statement for executing some statements only if "i" is equal to 5?
- A.
If i==5 then
- B.
If i=5 then
- C.
If (i==5)
- D.
If i=5
- 10.How many different kind of loops are there in JavaScript?
- A.
Two. The "for" loop and the "while" loop
- B.
Four. The "for" loop, the "while" loop, the "do...while" loop, and the "loop...until" loop
- C.
One. The "for" loop
- 11.How do you write a conditional statement for executing some statements only if "i" is NOT equal to 5?
- A.
If (i 5)
- B.
If (i != 5)
- C.
If =! 5 then
- D.
If 5
- 12.How does a "for" loop start?
- A.
For (i = 0; i
- B.
For (i = 0; i
- C.
For i = 1 to 5
- D.
For (i
- 13.What is the correct way to write a JavaScript array?
- A.
Var txt = new Array("tim","shaq","kobe")
- B.
Var txt = new Array="tim","shaq","kobe"
- C.
Var txt = new Array(1:"tim",2:"shaq",3:"kobe")
- 14.Onclick is equivalent to which two events in sequence
- A.
Onmouseover and onmousedown
- B.
Onmousedown and onmouseout
- C.
Onmousedown and onmouseup
- D.
Onmouseup and onmouseout
- 15.You define an array using
- A.
Var myarray = new Array();
- B.
Var myarray = array new;
- C.
Var new Array() = myarray;
- D.
Var new array = myarray;
- 16.How do you round the number 8.25, to the nearest whole number?
- A.
Math.rnd(8.25)
- B.
Math.round(8.25)
- C.
Round(8.25)
- D.
Rnd(8.25)
- 17.CHow do you find the largest number of 6 and 8?
- A.
Math.max(6,8)
- B.
Top(6,8)
- C.
Ceil(6,8)
- D.
Math.ceil(6,8)
- 18.How do you find the client's browser name?
- A.
Navigator.appName
- B.
Client.navName
- C.
Browser.name
- 19.What is the correct JavaScript syntax for opening a new window called "window5" ?
- A.
New("http://www.ex-designz.net","window5")
- B.
Window.open("http://www.ex-designz.net","window5")
- C.
Open.newwindow("http://www.ex-designz.net","window5")
- D.
New.window("http://www.ex-designz.net","window5")
- 20.How do you put a message in the browser's status bar?
- A.
Window.status = "put your message here"
- B.
Statusbar = "put your message here"
- C.
Status("put your message here")
- D.
Window.status("put your message here")
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