LunBo
/
前20项.html

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<script type="text/javascript">
			var a1=[1,1];
			document.write(a1[0]+"<br/>");
			document.write(a1[1]+"<br/>");
			for(var i=2;i<20;i++){
				a1[i]=a1[i-2]+a1[i-1]
				document.write(a1[i]+"<br/>")
			}

			a1.forEach(function(value,index){
			console.log("a1["+index+"]="+value)
			});

			console.log("................")
			for(var i=1;i<a1.length;i++){
				console.log("a1["+i+"]="+a1[i]);
			}


			console.log("..................")
			for(var i in a1){
				console.log("a1["+i+"]="+a1[i]);
			}
		</script>
	</body>
</html>