js 禁止修改变量：冻结对象或数组 Object.freeze()

Object.freeze()的使用

数组：

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<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>Object.freeze</title>
	</head>
	<body>
		<!-- 
		 https://juejin.cn/post/6844904142993883143
		 -->
		<script>
			let fruits = ["apple", "bananar", "ananas"]
			Object.freeze(fruits)
			fruits[0] = "aaaaa";
			fruits[1] = "bbb";
			console.log(fruits[0]);
			console.log(fruits);
		</script>
	</body>
</html>

对象：

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<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>Object.freeze</title>
	</head>
	<body>
		<script>
			let people = {
				name: "quanyi",
				position: "developer",
				age: 18
			};

			Object.freeze(people);
			people.age = 12; // 可以修改f
			console.log(people.age);

			delete people.position;
			console.log(people.position);

			people.aa = "aa";
			console.log(people);
		</script>
	</body>
</html>

javascript
#js #javascript
js 禁止修改变量：冻结对象或数组 Object.freeze()
https://github.com/chergn/chergn.github.io/5b9aad55ef81/
作者
全易
发布于
2024年3月28日
许可协议