// ==UserScript==
// @name       复制道客巴巴（火狐可用，谷歌不可用） - doc88.com
// @namespace   Violentmonkey Scripts doc88
// @match       *://www.doc88.com/*
// @grant       none
// @version     1.1
// @author      -
// @description 2020/3/5 上午9:02:22
// ==/UserScript==
$(document).ready(function () {
var btn05 = $("<input type='button' id='wzmBtn'  value='显示当前页'   style='height:50px;font-size: 14px; position: fixed;  left: 00px;  top: 300px;z-index:65536'>");
$("body").append(btn05);
document.getElementById("wzmBtn").addEventListener("click", function () {
showtext();
});
});
function showtext() {
var canName = "page_" + document.getElementById("pageNumInput").value;
var canvas = document.getElementById(canName);
var dataUrl = canvas.toDataURL();
window.open(dataUrl, "toDataURL() image");
}