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一个旋转看图脚本
当前为 
// ==UserScript==
// @name         竖版看图
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  一个旋转看图脚本
// @author       You
// @match        *://*/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=pixabay.com
// @grant        none
// @require https://cdn.bootcss.com/jquery/3.4.1/jquery.min.js
// @license      MIT
// ==/UserScript==
(function() {
    'use strict';
var Dscroll = 0;
var timeDown;
var scrollJu = 90;
var bottom = 20;
var left = 60;
var jianG = 30;
    $("body").append("<input type='button' id='Jscroll-jian' value=' -' style='background-color:black;color:white;position:fixed;left:" + left + "px;bottom:" + bottom + "px'>")
    .append("<input type='button' id='Jscroll-jia' value='+' style='background-color:black;color:white;position:fixed;left:" + left + "px;bottom:" + (bottom + jianG) + "px'>")
    .append("<input type='button' id='Jscroll-Ju' value='" + scrollJu + "' style='background-color:black;color:white;position:fixed;left:" + left + "px;bottom:" + (bottom + 2 * jianG) + "px'>")
    .append("<input type='button' id='Jscroll-del' value='X' style='background-color:black;color:white;position:fixed;left:" + left + "px;bottom:" + (bottom + 3 * jianG) + "px'>");
    $("#Jscroll-jia").click(function () {
    scrollJu += 30;
    $("#Jscroll-Ju").val(scrollJu);
});
$("#Jscroll-del").click(function () {
    $("#Jscroll-jia").remove();
    $("#Jscroll-jian").remove();
    $("#Jscroll-Ju").remove();
    $("#Jscroll-del").remove();
});
$("#Jscroll-jian").click(function () {
    scrollJu -= 30;
    $("#Jscroll-Ju").val(scrollJu);
});
$("#Jscroll-Ju").click(function () {
    Dscroll += 1;
    if (Dscroll % 2 != 0) {
        if (scrollJu < 180) {
            $("img").css("cssText", "-webkit-transform: rotate(90deg) scale(0.56) !important");
        }
        timeDown = setInterval(function () {
            window.scrollBy(0, scrollJu)
        }, 4000)
        $("#Jscroll-Ju").css("color","green");
    } else {
        clearInterval(timeDown)
        $("img").css("cssText", "-webkit-transform: rotate (0deg) scale(1) !important");
        $("#Jscroll-Ju").css("color","white");
    }
});
    // Your code here...
})();