function A(){
this.name = 'hellow word';
}
Object.defineProperties(
A.prototype,{
doSomething2 : {
value: function(parm){
console.log(parm)
},
enumerable: true,
configurable: true,
writable: true
}
})
var a2 = new A()
a2.doSomething2(232);
Object.defineProperties(obj,{
"sex":{
value:"ajia",
writable:true,
enumerable:true,
configurable:true
},
"age":{
value:26,
writable:true,
enumerable:true,
configurable:true
},
"name":{
value:"ajia",
writable:true,
enumerable:true,
configurable:true
}
})
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//Object.defineProperty()的用法
var _value = null;
var obj = {};
[].forEach.call(str,function(v,i,arr){
Object.defineProperty(obj,v,{
get:function(){return _value;},
set:function(newVal){return _value = newVal;},
enumerable:true,
configurable:true
})
})
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