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方式1:
//一维数组
var arr = new Array(1,true,"hello");
//取值
console.log(arr[0]);//1
//二维数组
var arr = new Array(new Array(1,true),new Array(2,"hello"));
//取值
console.log(arr[0][0]);//1
方式2:
//一维数组
var arr1 = new Array(3);
//赋值
arr1[0] = "张三";
arr1[1] = true;
//取值
console.log(arr1[0]);/ /张三
//二维数组
//相当于[2][3]
var arr1 = new Array(new Array(3),new Array(3));
//赋值
arr1[0][0] = "张三";
arr1[1][1] = true;
//取值
console.log(arr1[0][0]);/ /张三
方式3:
//一维数组
var arr2 = [1,true,"hello"];
//取值
console.log(arr2[0]);//1
//二维数组
var arr2 = [ ["hello",1], ["world",2] ];
//取值
console.log(arr2[0][1]);//1