在此页

• 规范
• 浏览器兼容性
• 另请参阅
• 相关话题

过时
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

arity property used to return the number of arguments expected by the function, however, it no longer exists and has been replaced by the Function.prototype.length 特性。

规范

Not part of any standard.

浏览器兼容性

Not supported anywhere.

另请参阅

• Function.prototype.length

元数据

• 最后修改： Apr 27, 2020

相关话题

1. 标准内置对象
2. Archive
3. 继承：
4. Function
5. 特性
   1. Function.arguments
   2. Function.arity
   3. Function.caller
   4. Function.displayName
   5. Function.length
   6. Function.name
6. 方法
   1. Function.prototype.apply()
   2. Function.prototype.bind()
   3. Function.prototype.call()
   4. Function.prototype.isGenerator()
   5. Function.prototype.toSource()
   6. Function.prototype.toString()
7. Object
8. 特性
   1. Object.prototype.__count__
   2. Object.prototype.__noSuchMethod__
   3. Object.prototype.__parent__
   4. Object.prototype.__proto__
   5. Object.prototype.constructor
9. 方法
   1. Object.prototype.__defineGetter__()
   2. Object.prototype.__defineSetter__()
   3. Object.prototype.__lookupGetter__()
   4. Object.prototype.__lookupSetter__()
   5. Object.prototype.hasOwnProperty()
   6. Object.prototype.isPrototypeOf()
   7. Object.prototype.propertyIsEnumerable()
   8. Object.prototype.toLocaleString()
   9. Object.prototype.toSource()
   10. Object.prototype.toString()
   11. Object.prototype.unwatch()
   12. Object.prototype.valueOf()
   13. Object.prototype.watch()
   14. Object.setPrototypeOf()