JavaScript
Quiz
•
Computers
•
University
•
Practice Problem
•
Hard
Carlos Martinez
Used 117+ times
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14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cómo se escribe una sentencia condicional para comprobar que la variable "i" es igual a 5?
i=5
i==5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cuanto vale Z en el siguiente codigo?
var x = 5;
var y = x;
y++;
x--;
var z = x +y;
z++;
10
11
9
12
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Instrucción que permite emplear condiciones en un código de JavaScript:
if(condición){}
si(condición){}
while(condición){}
for(){}
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cual es el valor final de x?
var i;
var x=0;
for(i =0; i<10; i++){
x++;
}
10
11
9
12
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seleccione el valor final de la variable Y
var x = "tres";
switch(x){
case 1:
y=1;
break;
case 2:
y=4;
break;
case 3:
y=6;
break;
default:
y=8;
break;
}
1
4
6
8
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿Cual es el resultado final del código?
var x =6;
var y = 6;
if(x<y){
document.getElementById("id").innerHTML="hola";
}else if(x>y){
document.getElementById("id").innerHTML="hi";
}
document.getElementById("id").innerHTML="que tal";
hi
hola
que tal
ninguna de las anteriores
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
¿En cual de los siguientes códigos z = 10?
var x = 8; var z=0;
if(x>6){
z = x+2;
}
var z = 0; var i;
for(i=0;i<=10;i++){
z++;
}
var x= -4; var y= -6;
var z = x -y;
var z=10;
z--;
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