Question

I have 2 arrays:

var array1 = [50,60];
var array2 = [120,180];

I am passing a value to a variable like this:

var curId = $(this).attr('id');

I want to set the content of #result to a computation like this:

$(#result).text(number * curId[0]);

Number is a variable predefined by me, and curId[0] shoul actually translate to array1[0] or array2[0], depending on the css class.

Can anyone tell me the right syntax for this? I’m pretty noob at js.
Thanks.

Answer 1

You can use a variable to hold the array that you want to use:

var myArray;

if (something)
    myArray = array1;
else
    myArray = array2;

$('#result').text(number * myArray[0]);

If you’re trying to get the array in a variable from a string containing the name of the variable, you should use an object, like this:

var arrays = {
    array1: [50,60],
    array2: [120,180]
};

var myArray = arrays[curId];

$('#result').text(number * myArray[0]);