"+arr[1]+'-'+arr[2]})var numIndex=0;var proRLi=$2("#product .right li");var proRLi2=$2(".newsa");var proLLi=$2("#product .left li");var proLLi2=$2(".new_main li");proLLi.forEach(function(item,index){ item.onclick=function(){ $("#product .left li.active").classList.remove('active'); item.classList.add('active'); proRLi.forEach(function(obj){ if(obj.className.indexOf('s'+index)>=0){ obj.style.display="block"; }else{ obj.style.display="none"; } }) }})proRLi2.forEach(function(item,index){ item.onclick=function(){ console.log(index); $(".newsa.active").classList.remove('active'); item.classList.add('active'); var key=0; proLLi2.forEach(function(obj){ if(obj.className.indexOf('ws'+index)>=0){ obj.classList.add('show'); }else{ obj.classList.remove('show'); } }) }})function navGetActive(arr,el){ var flag=arr.some(function(item,index){ if(location.pathname.indexOf(item)!=-1) { el[0].classList.remove('active') el[index].classList.add('active'); return true; }; return false; }) if(!flag){ $2("nav li")[0] }}navGetActive(['index','product','success','news','about','contact'],$2("nav li"));