JS中使用media实现响应式布局

@media screen and (max-width:320px){  #talkFooter .editArea{…… }}@media screen and (min-width:321px) and (max-width:375px){   #talkFooter .editArea{…… }}@media screen and (min-width:376px) and (max-width:414px){ #talkFooter .editArea{…… }}  @media screen and (min-width:415px) and (max-width:639px){ #talkFooter .editArea{……}} @media screen and (min-width:640px) and (max-width:719px){ #talkFooter .editArea{……}}  @media screen and (min-width:720px) and (max-width:749px){ #talkFooter .editArea{……}}  @media screen and (min-width:750px) and (max-width:799px){ #talkFooter .editArea{……}}  @media screen(min-width:800px){}