Diferència entre revisions de la pàgina «M06 UF1Q5. Exercicis per practicar objectes»

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=Introducció=
 
=Introducció=
 
A classe hem estat veient la teoria d'expressions regulars:
 
A classe hem estat veient la teoria d'expressions regulars:
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*=Desenvolupament=
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*https://developer.mozilla.org/es/docs/Web/JavaScript/Guide/Working_with_Objects
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=Desenvolupament=
  
 
=Tasques a realitzar=
 
=Tasques a realitzar=
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1.  
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0. Crea l'objecte '''Assignatura''':
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<pre>
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var Asignatura = {
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ref: 'BBDD',
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nom: 'Bases de Dades',
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hores: 180,
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UF: ['UF1','UF2','UF3','UF4'],
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professor: 'Pep Parés',
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alumnes: ['alu1','alu2','alu13,'alu4','alu5']
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};
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</pre>
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1. Write a JavaScript program to list the properties of a JavaScript object.
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2. Write a JavaScript program to delete the rollno property from the following object. Also print the object before or after deleting the property.
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3. Write a JavaScript program to get the length of a JavaScript object.
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4. Write a JavaScript program to display the reading status (i.e. display book name, author name and reading status) of the following books.
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<pre>
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var library = [
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  {
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      author: 'Bill Gates',
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      title: 'The Road Ahead',
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      readingStatus: true
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  },
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  {
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      author: 'Steve Jobs',
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      title: 'Walter Isaacson',
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      readingStatus: true
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  },
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  {
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      author: 'Suzanne Collins',
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      title:  'Mockingjay: The Final Book of The Hunger Games',
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      readingStatus: false
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  }];
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</pre>
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5.
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6.
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7.
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8.
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9.  
  
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2.
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10.  
  
  

Revisió del 10:39, 28 oct 2021

Introducció

A classe hem estat veient la teoria d'expressions regulars:

Desenvolupament

Tasques a realitzar

0. Crea l'objecte Assignatura: 

var Asignatura = {
ref: 'BBDD',
nom: 'Bases de Dades',
hores: 180,
UF: ['UF1','UF2','UF3','UF4'],
professor: 'Pep Parés',
alumnes: ['alu1','alu2','alu13,'alu4','alu5']
};

1. Write a JavaScript program to list the properties of a JavaScript object.

2. Write a JavaScript program to delete the rollno property from the following object. Also print the object before or after deleting the property.

3. Write a JavaScript program to get the length of a JavaScript object.

4. Write a JavaScript program to display the reading status (i.e. display book name, author name and reading status) of the following books. 

var library = [ 
   {
       author: 'Bill Gates',
       title: 'The Road Ahead',
       readingStatus: true
   },
   {
       author: 'Steve Jobs',
       title: 'Walter Isaacson',
       readingStatus: true
   },
   {
       author: 'Suzanne Collins',
       title:  'Mockingjay: The Final Book of The Hunger Games', 
       readingStatus: false
   }];

5.

6.

7.

8.

9.

10.


Entrega

Entrega al Classroom, en format pdf o google docs, dels codis generats i les sortides per pantalla que demostrin el bon funcionament dels exercicis.

Ajuda

creat per Joan Quintana Compte, octubre 2021

Obtingut de «http://wiki.joanillo.org/index.php?title=M06_UF1Q5._Exercicis_per_practicar_objectes&oldid=297850»