js中onkeydown回车触发事件的几种方法

1 document.onkeydown = function(event){
2     var e = window.event || event;
3     if (e.keyCode == 13) {
4         //回车执行查询
5     }
6 }

1 $("#queryTable").bind("keydown",function(event){
2     var e = window.event || event;
3     if (e.keyCode == 13) {
4         //回车执行查询
5     }
6 });

1 $(‘#search_input‘).bind(‘keyup‘, function(event) {
2 　　var e = window.event || event;
3     if (e.keyCode == 13) {
4         //回车执行查询
5     }
6 });