​x
 
<!DOCTYPE html>
<html>
<body>
​
<h1>JavaScript 数组方法</h1> 
​
<h2>concat()</h2>
​
<p>concat() 方法用于合并（连接）数组：</p>
​
<p id="demo"></p>
​
<script>
var myGirls = ["Emma", "Isabella"];
var myBoys = ["Jacob", "Michael", "Ethan"];
var myChildren = myGirls.concat(myBoys);
​
document.getElementById("demo").innerHTML = myChildren;
</script>
​
</body>
</html>
​