abstract：document/obj.getElementById()documen/obj.getElementsByTageName()document/obj.getElementsByClassName()document/obj.getElementsByName()document/obj.formsdocument/obj.imagesdocument/obj.linksdocument.doc
document/obj.getElementById()
documen/obj.getElementsByTageName()
document/obj.getElementsByClassName()
document/obj.getElementsByName()
document/obj.forms
document/obj.images
document/obj.links
document.documentElement
document.head
document.body
document/obj.formName
document/obj.imgName
document/obj.querySelector()
document/obj.querySelectorAll()
中文中文中文中文中文中文中文中文中文中文中文中文中文
Correcting teacher：西门大官人Correction time：2019-05-05 10:22:56
Teacher's summary：作业不合格
document/obj.getElementById()
documen/obj.getElementsByTageName()
document/obj.getElementsByClassName()
document/obj.getElementsByName()
document/obj.forms
document/obj.images
document/obj