html运行实例（jsck_oper_instanceof）-搜寻教程库

代码示例：（标识：jsck_oper_instanceof）

<!DOCTYPE html>
<html>
<body>

<p>如果指定对象属于指定对象的实例，则 instanceof 运算符返回 true。</p>

<p id="demo"></p>

<script>
var cars = ["Audi", "Volvo", "BMW"];

document.getElementById("demo").innerHTML =
  (cars instanceof Array) + "<br>" + 
  (cars instanceof Object) + "<br>" +
  (cars instanceof String) + "<br>" +
  (cars instanceof Number);
</script>

</body>
</html>