dongshenchi5364 2014-01-09 19:24
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jquery点击发生得太快,无法刷新数据库的结果?

I'm making a simple shoutbox and when someone posts a message the message is added to the database just fine. I made a refresh button which populates all the messages in the text area. I am trying to call the .click() on the refresh button after the person enters the message but I think it happens too fast and doesn't catch the new message in the database. I works if I add an alert to give it more time. Is there a better way?

$("#shoutBtn").click(function(event){
   event.preventDefault();
   $.post("includes/shoutBoxPost.php", {"message": $("#messageBox").val(),
                                     "name": $("#userNameWelcome").html()});
   $("#messageBox").val("");
   $("#shoutRefresh").click();  
});

I changed my code to the long hand ajax way and it works thanks for answers folks

    $.ajax({
      type: 'POST',
      data: {"message": $("#messageBox").val(),
            "name": $("#userNameWelcome").html()},
      url : 'includes/shoutBoxPost.php',
      success : function(data) {
          $("#messageBox").val("");
          $("#shoutRefresh").click();
      }
    });
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3条回答 默认 最新

  • duanlu0386 2014-01-09 19:28
    关注

    See the documentation for jQuery .post. You can define a success callback that will only fire once the post request successfully returns.

    jQuery.post( url [, data ] [, success(data, textStatus, jqXHR) ] [, dataType ] )
    
    $.post("includes/shoutBoxPost.php", 
        {"message": $("#messageBox").val(), "name": $("#userNameWelcome").html()},
        function( data, textStatus, jqXHR ) {
            $("#shoutRefresh").click();
        }
    );
    
    本回答被题主选为最佳回答 , 对您是否有帮助呢?
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