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undefined
null
false
this
true
Set
The text was updated successfully, but these errors were encountered:
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Set 对象
构造器
Set ( [ iterable ] )
undefined
,抛 TypeError 异常undefined
或null
,返回 setfalse
,返回 set构造器属性
原型对象属性
Set.prototype.add ( value )
this
值true
Set.prototype.clear ( )
this
值undefined
Set.prototype.delete ( value )
this
值true
true
false
Set.prototype.entries ( )
this
值Set.prototype.forEach ( callbackfn [ , thisArg ] )
this
值undefined
Set.prototype.has ( value )
this
值true
,返回true
false
get Set.prototype.size
this
值Set.prototype.values ( )
this
值Set Iterator Objects
CreateSetIterator ( set, kind )
%SetIteratorPrototype%
Set
迭代对象都继承它的属性The text was updated successfully, but these errors were encountered: