js仿淘宝商品购买多条件选择代码特效

主要js代码var mSpan = document.getElementById('model').getElementsByTagName('span'); var cSpan = document.getElementById('color').getElementsByTagName('span'); var rSpan = document.getElementById('rom').getElementsByTagName('span'); var bSpan = document.getElementById('banben').getElementsByTagName('span'); var aSpan = document.getElementsByTagName('span'); var oModel = document.getElementById('model'); var oRom = document.getElementById('rom'); var oPrice = document.getElementById('price'); mSpan[0].className = 'on'; cSpan[0].className = 'on'; rSpan[0].className = 'on'; bSpan[0].className = 'on'; for (var i=0;i

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