<div>
<input type="text" id="s">
</div>
<script>
var s=document.getElementById('s');
addEventListener('keypress',function(ev){
// console.log(ev);
if(ev.key=='Enter'){
sv=s.value.split(' ');
sv.forEach(element => {
window.open('https://s.taobao.com/search?q='+element,'_blank');
});
}
},false)
</script>