SCP-CN Jump Document

SCP-CN 输入文档编号直接跳转
当前为 2021-03-18 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         SCP-CN Jump Document
// @namespace    https://scp-wiki-cn.wikidot.com/
// @version      1.00
// @description  SCP-CN 输入文档编号直接跳转
// @author       se7en
// @match        https://scp-wiki-cn.wikidot.com/*
// @icon         https://scp-wiki-cn.wikidot.com/local--favicon/favicon.gif
// @grant        none
// @require      https://code.jquery.com/jquery-latest.js
// ==/UserScript==

(function() {
    let search_input = $("#search-top-box-input");
    search_input.val("");
    search_input.attr("placeholder", "搜索网站");
    let add_html =
        '<div style="position: absolute;top: 100px;right: 11px;width: 250px;text-align: right;">' +
        '<input type="text" size="15" placeholder="请输入文档编号" id="jump-input" style="border: solid 1px #999;border-radius: 5px;color: #999;background-color: #300;margin-right: 3px;">' +
        '<input type="button" value="跳转" id="jump-button"' +
        'style="border: solid 1px #999;border-radius: 5px;padding: 2px 5px;font-size: 90%;font-weight: bold;color: #ccc;background-color: #633;background: linear-gradient(to bottom,#966,#633,#300);box-shadow: 0 1px 3px rgb(0 0 0 / 50%);cursor: pointer;">' +
        '</div>';

    $("#header").append(add_html);
    $("#jump-input").keypress(function (even) { if (even.which == 13) jumpDocument(); });
    $("#jump-button").click(function () { jumpDocument(); });
})();

function jumpDocument() {
    let jump_input = $("#jump-input");
    let jump_input_value = jump_input.val();
    let document = "";
    if (jump_input_value.search(/cn/i) != -1) document += "cn-";
    let document_number = /[0-9]{1,}/.exec(jump_input_value);
    if (document_number == null) {
        jump_input.val("");
        jump_input.attr("readonly", "readonly");
        let input_count = 0;
        let error_alert = setInterval(function () {
            if (input_count == 5) {
                jump_input.removeAttr("readonly");
                jump_input.focus();
                clearInterval(error_alert);
            }
            jump_input.val((input_count % 2 == 0) ? "输入错误!!" : " ");
            input_count += 1;
        }, 200);
    } else {
        document_number = document_number[0];
        let number_length = document_number.length;
        if (number_length < 3) for (let i = (3 - number_length); i > 0; i--) document_number = "0".concat(document_number);
        document += document_number;
        window.location.href = window.location.origin + "/scp-" + document;
    }
}