总结总计总结总结

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()

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