function setName(obj) {
obj.name = 'zjzhome';
obj = new Object();
obj.name = 'zjz' }var person = new Object()
setName(person)console.log(person.name) // zjzhomeobj=new Object()這里會發(fā)生什么？最后為什么會輸出zjzhome
js函數(shù)參數(shù)按值傳遞怎么理解？
米琪卡哇伊
2018-10-16 09:08:45