對象賦值思想:(接收後臺數據繪製統計圖用到了該想法)
1 /** 2 * 數組、字符串去重 3 * @param {[string/array]} as [數組或者字符串] 4 * @return {[array]} [返回數組] 5 */ 6 var unique = function(as) { 7 8 var obj = {}; 9 10 for (var i = 0; i < as.length; i++) { 11 12 obj[as[i]] = as[i]; 13 14 } 15 16 as = []; 17 18 for (var index in obj) { 19 20 as.push(index); 21 22 } 23 24 return as; 25 26 }