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Boolean
extends
初始值为 %Boolean.prototype%。
属性描述符为 { [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: false }
{ [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: false }
布尔原型对象:
抽象运算 thisBooleanValue 使用参数 value:
初始值为 %Boolean%
普通对象,继承 布尔原型对象 上的属性。布尔实例有 [[BooleanData]] 内置插槽。[[BooleanData]] 内置插槽表示该布尔对象的布尔值。
The text was updated successfully, but these errors were encountered:
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基本对象:布尔对象
布尔构造器
Boolean
属性的初始值extends
子句的值。打算继承指定的Boolean
行为的子类构造函数必须包括对Boolean
构造函数的 super 调用,以创建和初始化具有内置插槽 [[BooleanData]] 的子类实例。Boolean ( value )
布尔构造器上的属性
Boolean.prototype
初始值为 %Boolean.prototype%。
属性描述符为
{ [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: false }
布尔原型对象上的属性
布尔原型对象:
抽象运算 thisBooleanValue 使用参数 value:
Boolean.prototype.constructor
初始值为 %Boolean%
Boolean.prototype.toString ( )
Boolean.prototype.valueOf ( )
布尔实例属性
普通对象,继承 布尔原型对象 上的属性。布尔实例有 [[BooleanData]] 内置插槽。[[BooleanData]] 内置插槽表示该布尔对象的布尔值。
The text was updated successfully, but these errors were encountered: