我有一個像下面唯一值數
var data = [
["1"," 101_30.1.101_34","0.0200112629","mm/s","[OK]"],
["1"," 101_30.1.101_35","0.0146548533","mm/s","[OK]"],
["1"," 101_30.1.101_45","0.0146548533","mm/s","[OK]"],
["1"," 101_42.2.101_43","0.0101406257","mm/s","[OK]"],
["2"," 102_17.3.102_38","5.1719756","mm/s","[WA]"],
["2"," 102_17.3.102_39","3.5886707","mm/s","[WA]"],
["2"," 102_17.3.102_44","9.4615074E-4","mm/s","[OK]"],
["2"," 102_40.4.102_41","4.8159785","mm/s","[OK]"],
["3"," 204_15","3.8374166","mA","[OK]"],
["4"," 501_11","1027.5156","RPM","[WA]"]
]
什麼即時試圖做的是找到多少獨特的陣中還有一個數組。示例1 = 4,2 = 4,3 = 1,4 = 1
數據來自數據庫,因此數組的數量總是可以更改。
這裏是什麼即時通訊的一個簡單的jsfiddle談論JsFiddle
您是否希望只是找到數組的第一個值的副本? – 2012-02-29 16:07:27
...你的問題是? – 2012-02-29 16:07:39
只需遍歷數組並計算每個元素的第一個元素的出現次數。 – 2012-02-29 16:08:33