1、JS監聽某個輸入框

//回車事件繫結
    $('#search_input').bind('keypress', function(event) {
        if (event.keyCode == "13") {            
            event.preventDefault(); 
            //回車執行查詢
            $('#search_button').click();
        }
    });

$("#queryTable").bind("keypress",function(e){
        // 相容FF和IE和Opera    
    var theEvent = e || window.event;    
    var code = theEvent.keyCode || theEvent.which || theEvent.charCode;    
    if (code == 13) {                  
        e.preventDefault();    
       //回車執行查詢
      $("#queryButton").click(); 
    } 
});