<html>
<head>
<script>
let array01 = new Array(); //只創(chuàng)建,但是沒有初始值
let array02 = new Array(1,2,3,4,5,6,7,8,9); //創(chuàng)建了一個數(shù)組,并且給定初始值
let Array03 = new Array("二仙橋" , 18 , true , null); //創(chuàng)建一個數(shù)組
/*
字面量
*/
let array04 = []; //創(chuàng)建一個簡單數(shù)組,只創(chuàng)建,不給定初始值
let array05 = [1,2,3,4,5,6,7,8,9]; //字面量創(chuàng)建數(shù)組,并給定初始值
let array06 = ["二仙橋",18,true,null]; //初始值類型可以不同
//查看數(shù)組
console.log(array02);
console.log(array05);
//數(shù)組長度
console.log(array02.length); //9
console.log(array05.length); //9
console.log(typeof(array02)); //object 對象類型
console.log(typeof(array05)); //object 對象類型
//數(shù)組遍歷
for(let i =0 ; i< array02.length ;i++){
console.log("array02["+ i +"]="+ array02[i]);
}
console.log("最后一個元素 " + array02[array02.length-1]); //最后一個元素
console.log("最后一個元素 " + array02[array02.length-1]); //最后一個元素
</script>
</head>
<body>
</body>
</html>