CODEWITHSUNDEEP
javascriptarraysmultidimensional-array
Scott
Scott

Reputation: 5840

Add multiple elements in javascript

I've created empty array like this:

var cars = [];

And I'm going to add every car's name and cost. For instance:

car[0]["name"] = "BMW";
car[0]["cost"] = 50000;

But the problem is, we don't know which index is array dealing with (whether it is 0, 1, 2, 3, 4 ??). Every time I should declare new multidimensional array like this:

car[] = [];

And add two values to it ("name" and "cost") without knowing which index it has. Appreciate any help guys. If my question looks like ridiculous, sorry for that.

Upvotes: 1

Views: 1254

Answers (3)

Mostafa Omar
Mostafa Omar

Reputation: 177

Generally speaking to deal with arrays you either populate or retrieve Values, what i understood is that you wanna know the index so here's a small example:

 var cars = [];

for population:

 cars.push({name:"BMW", cost:50000}); /*Where {name:"BMW", cost:50000} is a new object 
and you can populate it with any parameters and any values*/

for value retrieval:

for(var i=0;i<cars.length;i++){
   console.log(i);//Here is the index
   console.log(cars[i]);//Here is the value
}

Upvotes: 0

James111
James111

Reputation: 15903

It looks like you're wanting to store an array of objects? Like so:

[{ name: "BMW", cost: "55222"}, { name: "Toyota", cost: "25222" }]

This way you could start off with an empty array and then just push objects to it:

var carsArray = []
carsArray.push({ name: "BMW", cost: "55222"}) // Push the BMW to the array
carsArray.push({ name: "Toyota", cost: "25222"}) // Push the Toyota to the array
console.log (carsArray) // This will contain two cars

Upvotes: 1

Pranav C Balan
Pranav C Balan

Reputation: 115212

You can use Array#push method to insert Objects instead of creating multidimensional array

var cars = [];
//insert elements like

cars.push({name:"BMW", cost:50000});
cars.push({name:"Ferrari", cost:55000});
// see the cars
console.log(cars)

Upvotes: 4

Related Questions