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107 > > > >无标题文档> > img{ display:block;} > > > > >放大> >缩小> > window.onload=function(){ oimg=document.querySelector("#img"); //console.log(oimg); ofangda=document.querySelector("#fangda"); osuoxiao=document.querySelector("#suoxiao"); ofangda.onclick=function(){ fangda(); } function fangda(){ var endwidth=img.width*1.3; var endheight=img.height*1.3; var maxtimer=setInterval(function(){ if(oimg.width img.*; img.*; else maxtimer; , function ; img.*; setIntervalfunction oimg.width>sendwidth){ oimg.width=img.width*0.9; oimg.height=img.height*0.9; }else{ clearInterval(mintimer); } },20) } } > > > 原文链接：https://www.f2er.com/note/421473.html
