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Remove a property from a nested object, recursively
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| /** | |
| * Remove all specified keys from an object, no matter how deep they are. | |
| * The removal is done in place, so run it on a copy if you don't want to modify the original object. | |
| * This function has no limit so circular objects will probably crash the browser | |
| * | |
| * @param obj The object from where you want to remove the keys | |
| * @param keys An array of property names (strings) to remove | |
| */ | |
| function removeKeys(obj, keys){ | |
| for (var prop in obj) { | |
| // important check that this is objects own property | |
| // not from prototype prop inherited | |
| if(obj.hasOwnProperty(prop)){ | |
| switch(typeof(prop)){ | |
| case 'string': | |
| var index = keys.indexOf(prop); | |
| if(index > -1){ | |
| delete obj[prop]; | |
| } | |
| break; | |
| case 'object': | |
| removeKeys(prop, keys); | |
| break; | |
| } | |
| } | |
| } | |
| } |
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