JavaScript getPrototypeOf 带有示例
getPrototypeOf() 方法用于检查用户创建的对象的原型,经常用于比较给出的两个对象是否具有相同的原型。
以下是 getPrototypeOf() 函数的代码 −
示例
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Document</title>
<style>
body {
font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
.sample {
font-size: 18px;
font-weight: 500;
}
</style>
</head>
<body>
<h1>JavaScript getPrototypeOf()</h1>
<div class="sample"></div>
<button class="Btn">CLICK HERE</button>
<h3>
Click on the above button to get the prototype of object test
</h3>
<script>
let sampleEle = document.querySelector(".sample");
function fun(name, age) {
this.name = name;
this.age = age;
}
document.querySelector(".Btn").addEventListener("click", () => {
let test = new fun("Rohan", 22);
sampleEle.innerHTML = "The prototype for test object is = " + Object.getPrototypeOf(test);
});
</script>
</body>
</html>输出

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