5 js之数组

//定义数组
var myArray=new Array()
//赋值1
var mycars=new Array()
mycars[0]="Saab"
mycars[1]="Volvo"
mycars[2]="BMW"
//2
var mycars=new Array(3)
mycars[0]="Saab"
mycars[1]="Volvo"
mycars[2]="BMW"
//3
var mycars=new Array("Saab","Volvo","BMW")
//访问数组
document.write(mycars[0])
//修改数组
mycars[0]="Opel";