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Sure, but then you have to create a function for each property, even if it's a number or a string. Those bytes add up significantly in large applications. Addi

by tomdale 15y ago

Sure, but then you have to create a function for each property, even if it's a number or a string. Those bytes add up significantly in large applications. Additionally, specifying the property as a string allows you to implement "unknown property" handlers, which is another extremely powerful idiom.

mbostock 15y ago
This might become more common when Proxy is supported more widely in JavaScript implementations. http://wiki.ecmascript.org/doku.php?id=harmony:direct_proxies http://wiki.ecmascript.org/doku.php?id=harmony:direct_proxie...