<input type="text" id="search">
<script>
var search = document.getElementById("search");
search.addEventListener("keydown",function(){
console.log("按下了:keydown");
})
search.addEventListener("keypress",function(){
console.log("按下了keypress");
})
search.addEventListener("keyup",function(){
console.log("按下了:keyup");
})
控制台上没有触发keypress是怎么回事呀