tableau javascript

Breakable Barracuda answered on March 11, 2020 Popularity 7/10 Helpfulness 2/10

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var années = [1950, 1960, 1970, 1980, 1990, 2000, 2010];

console.log(années.0);  // erreur de syntaxe
console.log(années[0]); // fonctionne correctement

Popularity 7/10 Helpfulness 2/10 Language javascript

Source: developer.mozilla.org

Tags: javascript

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Contributed on Sep 28 2020

Breakable Barracuda

0 Answers Avg Quality 2/10

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tableau js

Comment

 
 let monTableau = ['un', 'deux','trois', 'quatre'] ;
 
 console.log(monTableau[monTableau.length - 1]) ;

 let monTableau2D = [
     ['Mark' , 'jeff' , 'Bill'] , 
     ['Zuckerberg' , 'Bezos' , 'Gates']
 ] ;
 console.log (monTableau2D[1][2]) ;



 let monTableauAssociatif = {
     'prenom' : 'Mark' ,
     'nom'    : 'Zuckerberg' , 
     'poste'  : 'Pdg de Facebook',

 } ;

 console.log(monTableauAssociatif['poste']) ;

Popularity 10/10 Helpfulness 4/10 Language javascript

Source: developer.mozilla.org

Tags: javascript j

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Contributed on Mar 11 2020

Crevure 01

0 Answers Avg Quality 2/10

tableau javascript

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var vegetables = ['Cabbage', 'Turnip', 'Radish', 'Carrot'];
console.log(vegetables); 
// ["Cabbage", "Turnip", "Radish", "Carrot"]

var pos = 1, n = 2;

var removedItems = vegetables.splice(pos, n); 
// n définit le nombre d'éléments à supprimer,
// à partir de la position pos

console.log(vegetables); 
// ["Cabbage", "Carrot"] (le tableau d'origine est changé)

console.log(removedItems); 
// ["Turnip", "Radish"] (splice retourne la liste des éléments supprimés)

Popularity 7/10 Helpfulness 2/10 Language javascript

Source: developer.mozilla.org

Tags: javascript

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Contributed on Sep 28 2020

Breakable Barracuda

0 Answers Avg Quality 2/10

tableau javascript

Comment

fruits.push('Mango');
// ["Strawberry", "Banana", "Mango"]

var pos = fruits.indexOf('Banana');
// 1

Popularity 7/10 Helpfulness 2/10 Language javascript

Source: developer.mozilla.org

Tags: javascript

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Contributed on Sep 28 2020

Breakable Barracuda

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tableau javascript

Comment

var first = fruits[0];
// Apple

var last = fruits[fruits.length - 1];
// Banana

Popularity 7/10 Helpfulness 1/10 Language javascript

Source: developer.mozilla.org

Tags: javascript

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Contributed on Sep 28 2020

Breakable Barracuda

0 Answers Avg Quality 2/10

tableau javascript

Comment

fruits.forEach(function(item, index, array) {
  console.log(item, index);
});
// Apple 0
// Banana 1

Popularity 6/10 Helpfulness 1/10 Language javascript

Source: developer.mozilla.org

Tags: javascript

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Contributed on Sep 28 2020

Breakable Barracuda

0 Answers Avg Quality 2/10

tableau javascript

Comment

var newLength = fruits.push('Orange');
// ["Apple", "Banana", "Orange"]

Popularity 6/10 Helpfulness 1/10 Language javascript

Source: developer.mozilla.org

Tags: javascript

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Contributed on Sep 28 2020

Breakable Barracuda

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tableau javascript

Comment

var last = fruits.pop(); // supprime Orange (à la fin)
// ["Apple", "Banana"];

Popularity 6/10 Helpfulness 1/10 Language javascript

Source: developer.mozilla.org

Tags: javascript

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Contributed on Sep 28 2020

Breakable Barracuda

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tableau javascript

Comment

var first = fruits.shift(); // supprime Apple (au début)
// ["Banana"];

Popularity 6/10 Helpfulness 1/10 Language javascript

Source: developer.mozilla.org

Tags: javascript

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Contributed on Sep 28 2020

Breakable Barracuda

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tableau javascript

Comment

var newLength = fruits.unshift('Strawberry') // ajoute au début
// ["Strawberry", "Banana"];

Popularity 7/10 Helpfulness 1/10 Language javascript

Source: developer.mozilla.org

Tags: javascript

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Contributed on Sep 28 2020

Breakable Barracuda

0 Answers Avg Quality 2/10

tableau javascript

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