How to create dynamic Map key in javascript?
var dataSource = ...;while (var o = dataSource.get()) { myMap[o.key] = o.value;}for (var key in myMap) { alert("key : " + key + " value : " + myMap[key]);}You can simply write to an object using array like syntax.
How and where you get your data is upto you.
Dynamic values and keys can be added using this notation:
var myMap = {}; // Create empty mapmyMap["some" + "dynamic" + "key"] = "some" + "dynamic" + "variable";