for(var prop in this.checkedHandleMap){
if(this.checkedHandleMap.hasOwnProperty(prop)){
var userNameS = this.checkedHandleMap[prop];}
}
this.checkedHandleMap[userSn] = userName；//新增或重写map里面key的value
for(var prop in this.checkedHandleMap){
if(this.checkedHandleMap.hasOwnProperty(prop)){
var userNameS = this.checkedHandleMap[prop];}
}
this.checkedHandleMap[userSn] = userName；//新增或重写map里面key的value
本文标题：js中遍历map2
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