<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script>
var arr01=[];
var arr02= new Array(5); //数组的长度
var arr03=new Array(1,233);
arr01[0]="ab";
arr01[1]=12;
arr01[2]=false;
for(var i=0;i<arr01.length;i++){
console.log(arr01[i]);
}
</script>
</head>
<body>
</body>
</html>