我有一个用户脚本，当我单击+1按钮（我创建了它）时，它可以正常工作，它可以进行获取和发布呼叫。但是我需要观看网站的发送消息按钮。

<button class="btn btn-primary" type="submit" disabled="">Send message</button> 

是按钮，并且btn和btn-primary类也添加到其他按钮。

我正在执行ButtonClickaction函数上的操作。我如何观看“发送消息”按钮上的点击。

观看此按钮有什​​么解决方法？

// ==UserScript==
// @name        Emre's Users Script.
// @description Example Script.
// @match       *://example.com*
// @grant       GM_addStyle
// @grant      GM.xmlHttpRequest
// @version    0.1 - Alpha
// ==/UserScript==

/*--- Create a button in a container div.  It will be styled and
    positioned with CSS.
*/

var zNode = document.createElement ('div');
zNode.innerHTML = '<button id="myButton" type="button">'
                + '+1 EKLE</button><div style="color: white;" id="mydiv">Yükleniyor</div><div  style="color: white;font-size: 14px;" id="mydiv1"></div> '
                ;
zNode.setattribute ('id','myContainer');
document.body.appendChild (zNode);
GM.xmlHttpRequest({
  method: "GET",url: "https://example.com/ajax.php?id=21",headers: {
    "User-Agent": "Mozilla/5.0","accept": "text/xml"
  },onload: function(response) {

 document.getElementById("mydiv").innerHTML = response.responseText;

  }
});
GM.xmlHttpRequest({
  method: "GET",url: "https://example.com/ajax.php?aylik=buay",onload: function(response) {

 document.getElementById("mydiv1").innerHTML = response.responseText;

  }
});
//--- activate the newly added button.
document.getElementById ("myButton").addEventListener (
    "click",ButtonClickaction,false
);




function ButtonClickaction (zEvent) {
    /*--- For our dummy action,we'll just add a line of text to the top
        of the screen.
    */
    /*var zNode = document.createElement ('p');
    zNode.innerHTML = 'The button was clicked.';
    document.getElementById ("myContainer").appendChild (zNode);*/
GM.xmlHttpRequest({
  method: "POST",url: "https://example.com/ajax.php?ekle=1&id=21",data: "username=johndoe&password=xyz123zz",onload: function(response) {
  document.getElementById("mydiv").innerHTML = response.responseText;
  },headers: {
    "Content-Type": "application/x-www-form-urlencoded"
  }
});
    GM.xmlHttpRequest({
  method: "GET",onload: function(response) {

 document.getElementById("mydiv1").innerHTML = response.responseText;

  }
});
}

//--- Style our newly added elements using CSS.
GM_addStyle ( `
    #myContainer {
            position: fixed;
    bottom: 9px;
    right: 10px;
    font-size: 20px;
    background: #e91e63;
    border: 3px outset black;
    margin: 5px;
    opacity: 0.9;
    z-index: 1100;
    padding: 5px 20px;
    }
    #myButton {
        cursor:                 pointer;
margin-left: 23px;
    }
    #myContainer p {
        color:                  red;
        background:             white;
    }
` );

有人会帮助吗？自20天以来，我一直处于困境。