JavaScript实现点击a标签展开div内容

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function doAct(s){
    var t = document.getElementById('t'),
    c = s.className;
    //查找 空格more 而非more
    if(c != null && c.indexOf(' more') > -1){
        //连空格一起替换
        s.className = c.replace(' more', '');
        t.className = t.className.replace(' Large', '');
    }else{
        s.className = c + ' more';
        t.className = t.className + ' Large';
    }
}

function doAct(s){ var t = document.getElementById('t'), c = s.className; //查找 空格more 而非more if(c != null && c.indexOf(' more') > -1){ //连空格一起替换 s.className = c.replace(' more', ''); t.className = t.className.replace(' Large', ''); }else{ s.className = c + ' more'; t.className = t.className + ' Large'; } }