Detailed explanation of Symbol class in JS
The Symbol data type in JavaScript is a basic data type used to represent unique values. Characteristics of Symbol: 1. Unique, each Symbol value is unique and will not be equal to any other value; 2. Immutability, once the Symbol value is created, it cannot be modified or reassigned; 3. Hiddenness, the Symbol value cannot be modified or reassigned; It will be implicitly converted to other types; 4. It cannot be enumerated. When the Symbol value is used as the attribute name of the object, it is not enumerable by default.
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Detailed explanation of Symbol class in JS
Symbol data type in javascript
The Symbol data type in JavaScript is a basic data type used to represent unique values. Characteristics of Symbol: 1. Unique, each Symbol value is unique and will not be equal to any other value; 2. Immutability, once the Symbol value is created, it cannot be modified or reassigned; 3. Hiddenness, the Symbol value cannot be modified or reassigned; It will be implicitly converted to other types; 4. It cannot be enumerated. When the Symbol value is used as the attribute name of the object, it is not enumerable by default.
Sep 20, 2023 am 11:34 AM
Detailed explanation of the usage of symbol
Symbol is a new primitive data type. It is the seventh data type of JavaScript. Symbol values are generated through the Symbol function. The syntax is "let s = Symbol();typeof s;", where typeof indicates that s is symbol data. type.
Jul 08, 2020 pm 12:02 PM
What is the use of the Symbol type in JavaScript?
This article brings you what is the use of the Symbol type in JavaScript? It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.
Mar 19, 2019 am 11:19 AM
Detailed explanation of JavaScript's Symbol type, hidden attributes and global registry
This article brings you relevant knowledge about JavaScript, which mainly introduces issues related to Symbol types, hidden attributes and global registry, including the description of Symbol types, Symbol does not implicitly convert to strings, etc. Let’s take a look at it together, I hope it will be helpful to everyone.
Jun 02, 2022 am 11:50 AM
A brief analysis of javascript data type learning Symbol type
This article will take you through the new data type of ES6: Symbol. Let’s talk about the declaration method and usage of Symbol type. I hope it will be helpful to everyone!
Mar 18, 2022 am 11:01 AM
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