在JavaScript内点击按钮 [英] Fire a button click inside javascript

问题描述

我想在Facebook登录后立即触发按钮单击并从数据库中获取数据，该数据在使用JavaScript进行Facebook登录后会返回电子邮件ID.我正在使用

I want to fire a button click and get data from database just after facebook login, which returns Email ID., after facebook login with help of javascript. I am using

$('btnSend').trigger('btnSend_Click');

在下面的脚本中，但是不起作用?

in below script, but it does''nt work?

<pre lang="Javascript">function updateButton(response) {
                                var button = document.getElementById(''fb-auth'');
                                var email = document.getElementById(''lbemail'');
                                var btn = document.getElementById(''btnSend'');

                                if (response.authResponse) {
                                    //user is already logged in and connected
                                    var userInfo = document.getElementById(''user-info'');
                                    FB.api(''/me'', function (response) {
                                   userInfo.innerHTML = ''<img src="https://graph.facebook.com/'' + response.id +               ''/picture">'' + response.name;
                                        button.innerHTML = ''Logout'';
                                        $(''btnSend'').trigger(''btnSend_Click''); 
                                    });
                                    button.onclick = function () {
                                        FB.logout(function (response) {
                                        var userInfo = document.getElementById(''user-info'');
                                        userInfo.innerHTML = "";

                                        });
                                    };

推荐答案

(' btnSend' span>).trigger(' btnSend_Click');

('btnSend').trigger('btnSend_Click');

在下面的脚本中，但是不起作用?

in below script, but it does''nt work?

<pre lang="Javascript">function updateButton(response) {
                                var button = document.getElementById(''fb-auth'');
                                var email = document.getElementById(''lbemail'');
                                var btn = document.getElementById(''btnSend'');

                                if (response.authResponse) {
                                    //user is already logged in and connected
                                    var userInfo = document.getElementById(''user-info'');
                                    FB.api(''/me'', function (response) {
                                   userInfo.innerHTML = ''<img src="https://graph.facebook.com/'' + response.id +               ''/picture">'' + response.name;
                                        button.innerHTML = ''Logout'';

(''btnSend'').trigger(''btnSend_Click''); }); button.onclick = function () { FB.logout(function (response) { var userInfo = document.getElementById(''user-info''); userInfo.innerHTML = ""; }); };

(''btnSend'').trigger(''btnSend_Click''); }); button.onclick = function () { FB.logout(function (response) { var userInfo = document.getElementById(''user-info''); userInfo.innerHTML = ""; }); };

尝试阅读文档
http://api.jquery.com/trigger/ [

Try reading the documentation
http://api.jquery.com/trigger/[^]

1) The selector is incorrect. It should be

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