​x
 
<!DOCTYPE html>
<html>
<body>
​
<h1>JavaScript 字符串</h1>
​
<h2>constructor 属性</h2>
​
<p>constructor 属性返回创建字符串原型的函数：</p>
​
<p id="demo"></p>
​
<script>
let message = "Hello World!";
let text = message.constructor;
​
document.getElementById("demo").innerHTML = text;
</script>
​
</body>
</html>
​