How to create a multi-dimensional array in JavaScript?

Question

I'm trying to populate data for markers on map. I can get it to work using static content but I would like to set sites content by reading from an array.

var sites = [ ['User 1', 45.4210328, -75.6900218, 4], ['User 2', 40.315939, -105.440630, 2], ['User 3', 43.785890, -101.90175, 1], ['User 4', 39.99948, -105.28370, 3] ]; setMarkers(map, sites);

I tried this

for (var i = 0, len = arr.length; i < len; i++) { var sites = [ [arr[i].username, arr[i].latitude, arr[i].longitude, i ]; }

but as a result sites only contain one array i.e. the last array. Not all the arrays. How can I create multi-dimensional array within sites?

as a side note: your code now contains a syntax error (extra [ or missing ]) — YakovL
– YakovL, Commented Jun 16, 2016 at 2:58

weigreen · Accepted Answer · 2016-06-16 02:48:43Z

Try this:

var sites = []; for (var i = 0, len = arr.length; i < len; i++) { sites.push([arr[i].username, arr[i].latitude, arr[i].longitude, i]); }

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