js中判断数组中是否含有某个字符串方法答:if (self[i] === value) { return true } else { return false } } }}[1,2,3,4,65,67,89,4].includes(67)// true[1,2,3,4,65,67,89,4].includes(88)// false
Js 求出数组不包含的范围答:var arr1=[1,2,3,4], arr2=[2,3,4,5,6], arr3=[7,8,9,10], arr4=[99,100];var arr0=arr1.concat(arr2,arr3,arr4);var min=arr0[0],max=arr0[0];for(i in arr0){ if(min>arr0[i])min=arr0[i]; if(max<arr0[i])max=arr0[i];}if(!Array...