JavaScrip 数组

var arr= [1,2,3,4]console.log(typeof(arr))console.log(arr[0])

for (var i = 0; i < arr.length;i++){console.log("arr[%d] = %d",i,arr[i])}

//数值查找数组的位置var res = arr.indexof(4)

============数组创建================

var arr1= new Array()console.log(arr1)

var arr1= new Array(1,2,3,"savl")console.log (arr1)

var arr1= new Array(10)console.log(arr1)

============排序==================

var arr = new Array(4)arr[0]=2arr[1]=1arr[2]=3arr[3]= 5arr[4]=6

arr.sort()

console.log(arr)

原文地址：https://www.cnblogs.com/jeco-li/p/10117025.html