Javascript: Array doesn't work [duplicate]

Question

I need some help from you guys!

This is my JS code:

var myArray[2] = "Hi";

It says: "SyntaxError: missing ; before statement".

I dont't see where the hell I forgot an ";" in the easiest code ever.

javascript arrays doesn't work that way - have a look up this - developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/… — marmeladze
– marmeladze, Commented Aug 2, 2017 at 18:11

Ali Mamedov · Accepted Answer · 2017-08-02 18:11:28Z

3

Valid array in JS:

var myArray = new Array(3); // 3 - count of elements
myArray[2] = 'Hi';  // third element has a value "Hi"

Comments

Richie Fredicson · Accepted Answer · 2017-08-02 18:12:43Z

2

You have to declare the array first

var myArray = Array();
myArray[2] = 'hi';
console.log(myArray )

answered Aug 2, 2017 at 18:12

Richie Fredicson

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Jonas Wilms · Accepted Answer · 2017-08-02 18:11:36Z

0

Its either a variable declaration:

 var myArray = "Hi";

Or you set a property:

myArray[2] = "Hi";

answered Aug 2, 2017 at 18:11

Jonas Wilms

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Best answer in context, but... why are all answers so simplistic? Then they don't need to answer

@hand1cloud i answer to help the OP. I just needed 10 seconds to do so. And another 5 to flag as dupe...

Caesar2011 · Accepted Answer · 2017-08-02 18:11:48Z

0

You have to declare your aray before using it. Try this:

var myArray = [];
myArray[2] = "Hi";

But then you have a gap at the beginning! Beware of that!

answered Aug 2, 2017 at 18:11

Caesar2011

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