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  1. 面向开发者的 Web 技术
  2. JavaScript
  3. JavaScript 参考
  4. JavaScript 标准内置对象
  5. WeakRef
  6. WeakRef.prototype.deref()
    • English (US)
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    • 日本語

此页面由社区从英文翻译而来。了解更多并加入 MDN Web Docs 社区。

在本文中

  • 语法
  • 说明
  • 示例
  • 规范
  • 浏览器兼容性
  • 参见
  1. JavaScript 标准内置对象
  2. WeakRef
  3. 构造函数
    1. WeakRef() 构造函数
  4. 实例方法
    1. WeakRef.prototype.deref()
  5. 继承
  6. Object/Function
  7. 静态方法
    1. Function.prototype.apply()
    2. Function.prototype.bind()
    3. Function.prototype.call()
    4. Function.prototype.toString()
    5. Function.prototype[Symbol.hasInstance]()
  8. 静态属性
    1. Function.displayName 非标准
    2. Function:length
    3. Function.name
    4. Function.prototype.prototype
    5. Function.prototype.arguments 非标准 已弃用
    6. Function.prototype.caller 非标准 已弃用
  9. 实例方法
    1. Object.prototype.__defineGetter__() 已弃用
    2. Object.prototype.__defineSetter__() 已弃用
    3. Object.prototype.__lookupGetter__() 已弃用
    4. Object.prototype.__lookupSetter__() 已弃用
    5. Object.prototype.hasOwnProperty()
    6. Object.prototype.isPrototypeOf()
    7. Object.prototype.propertyIsEnumerable()
    8. Object.prototype.toLocaleString()
    9. Object.prototype.toString()
    10. Object.prototype.valueOf()
  10. 实例属性
    1. Object.prototype.__proto__ 已弃用
    2. Object.prototype.constructor

在本文中

  • 语法
  • 说明
  • 示例
  • 规范