阅读目录: DS01:常用的查找数组中是否有重复元素的三种方法 DS02:常用的JS函数集锦 DS01.常用的查找数组中是否有重复元素的三种方法 1. var ary = new Array("111","22","33","111"); var s = ary.join(",")+","; for(var i=0;i<ary.length;i++) { if(s.replace
函数Abs() 描述: mixed abs (mixed number); Returns the absolute value of number. If the argument number is float, return type is also float, otherwise it is int(返回所输的数字的绝对值,浮点型返回浮点型,其他返回整型) 函数Abs() 描述: mixed abs (mixed number); Returns the absolute value
function forEach(array,action){ ;i<array.length;i++) action(array[i]); } function reduce(combine,base,array){ forEach(array,function(element){ base=combine(base,element);}) return base; } function countZeroes(array){ function counter(total,element){