[OpenLayers-Users] Quick eval() question

[Tim Schaub]

Hey-

Ian wrote:
> I'm using a javascript object to keep track of the current WMS layer a 
> user is querying against:
> 
> myObj.query.layer = 'volcanoes';
> 
> and am using eval to convert this string back to the layer variable name 
> for a getFeatureInfo request:
> 
> var queryLyr = eval(window.myObj.query.layer);
> 
> but know that using eval() is generally frowned upon and am wondering if 
> there is another way to do this?

 >>> var volcanoes = {name: "foo"};
 >>> window['volcanoes'].name
"foo"

You also could have myObj.query.layer reference the object itself

 >>> myObj = {query: {layer: volcanoes}};
 >>> myObj.query.layer.name
"foo"

Tim

> Thank you.
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