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发表于 9-1-2009 02:41 AM
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原帖由 silenceguy 于 9-1-2009 01:34 AM 发表 
var fruit = new Array();
fruit[0] = "apple";
fruit[1] = "orange";
fruit[2] = "apple";
fruit[3] = "watermelon";
fruit[4] = "apple";
apple出现三次,如何计算在fruit的array里有多少个相同(apple)的 ...
最簡單的方法, 當然就是用 for 來判斷
var count:Number = 0;
for(var i:Number=0; i<fruit.length; i++)
if(fruit == "apple")
count++;
trace(count); |
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