# 1. 宿主对象 :js宿主环境提供对象，类似DOM，BOM
# 2. 内置对象 :js语言提供
- 固有对象:js运行时创建Function,Number,string
- 原生对象:Array、RegExp创建的对象型对象,如new Arrary的对象
- 普通对象:{},object,class
js有哪些固有对象
var set = new Set();
var objects = [
eval,
isFinite,
isNaN,
parseFloat,
parseInt,
decodeURI,
decodeURIComponent,
encodeURI,
encodeURIComponent,
Array,
Date,
RegExp,
Promise,
Proxy,
Map,
WeakMap,
Set,
WeakSet,
Function,
Boolean,
String,
Number,
Symbol,
Object,
Error,
EvalError,
RangeError,
ReferenceError,
SyntaxError,
TypeError,
URIError,
ArrayBuffer,
SharedArrayBuffer,
DataView,
Float32Array,
Float64Array,
Int8Array,
Int16Array,
Int32Array,
Uint8Array,
Uint16Array,
Uint32Array,
Uint8ClampedArray,
Atomics,
JSON,
Math,
Reflect];
objects.forEach(o => set.add(o));
var s=[]
for(var i = 0; i < objects.length; i++) {
var o = objects[i]
for(var p of Object.getOwnPropertyNames(o)) {
var d = Object.getOwnPropertyDescriptor(o, p)
if( (d.value !== null && typeof d.value === "object") || (typeof d.value === "function"))
if(!set.has(d.value))
set.add(d.value), objects.push(d.value);
if( d.get )
if(!set.has(d.get))
set.add(d.get), objects.push(d.get);
if( d.set )
if(!set.has(d.set))
set.add(d.set), objects.push(d.set);
}
}
console.log(set)
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原生对象的构造器 ;
var objects = [
eval,
isFinite,
isNaN,
parseFloat,
parseInt,
decodeURI,
decodeURIComponent,
encodeURI,
encodeURIComponent,
Array,
Date,
RegExp,
Promise,
Proxy,
Map,
WeakMap,
Set,
WeakSet,
Function,
Boolean,
String,
Number,
Symbol,
Object,
Error,
EvalError,
RangeError,
ReferenceError,
SyntaxError,
TypeError,
URIError,
ArrayBuffer,
SharedArrayBuffer,
DataView,
Float32Array,
Float64Array,
Int8Array,
Int16Array,
Int32Array,
Uint8Array,
Uint16Array,
Uint32Array,
Uint8ClampedArray,
Atomics,
JSON,
Math,
Reflect];
objects.forEach(o => set.add(o));
var s=[]
for(var i = 0; i < objects.length; i++) {
var o = objects[i]
for(var p of Object.getOwnPropertyNames(o)) {
var d = Object.getOwnPropertyDescriptor(o, p)
if( (d.value !== null && typeof d.value === "object") || (typeof d.value === "function"))
if(!set.has(d.value))
set.add(d.value), objects.push(d.value);
if( d.get )
if(!set.has(d.get))
set.add(d.get), objects.push(d.get);
if( d.set )
if(!set.has(d.set))
set.add(d.set), objects.push(d.set);
}
}
console.log(set)
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原生对象的构造器
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