​x
 
<!DOCTYPE html>
<html>
<body>
​
<h1>JavaScript 数组</h1>
​
<p id="demo"></p>
​
<script>
var person = [];
person[0] = "Bill";
person[1] = "Gates";
person[2] = 19; 
document.getElementById("demo").innerHTML =
person[0] + " " + person.length;
</script>
​
</body>
</html>
​