我定義了一個對象,如下所示: var obj = {};
var name = "nonenumerable";
var value = "hello world";
Object.defineProperty(obj, name, {value: value,
writable : true,
enumerable : false,
我使用的是在http://www.sascommunity.org/mwiki/images/2/22/Hashmerge.sas發現%HASHMERGE宏和下面的示例數據集的: data working;
length IID TYPE $12;
input IID $ TYPE $;
datalines;
B 0
B 0
A 1