Show Character Codes

Display a dialog showing the character code(s) of the selected character(s). This script is instended to be used as a bookmarklet using this URL: javascript:scc_ujs()

您需要先安装一个扩展,例如 篡改猴Greasemonkey暴力猴,之后才能安装此脚本。

You will need to install an extension such as Tampermonkey to install this script.

您需要先安装一个扩展,例如 篡改猴暴力猴,之后才能安装此脚本。

您需要先安装一个扩展,例如 篡改猴Userscripts ,之后才能安装此脚本。

您需要先安装一款用户脚本管理器扩展,例如 Tampermonkey,才能安装此脚本。

您需要先安装用户脚本管理器扩展后才能安装此脚本。

(我已经安装了用户脚本管理器,让我安装!)

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展,比如 Stylus,才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

您需要先安装一款用户样式管理器扩展后才能安装此样式。

(我已经安装了用户样式管理器,让我安装!)

// ==UserScript==
// @name         Show Character Codes
// @namespace    https://greasyfork.org/en/users/85671-jcunews
// @version      1.0.3
// @license      AGPL v3
// @author       jcunews
// @description  Display a dialog showing the character code(s) of the selected character(s). This script is instended to be used as a bookmarklet using this URL: javascript:scc_ujs()
// @match        *://*/*
// @include      *:*
// @inject-into  page
// @grant        none
// ==/UserScript==

window.scc_ujs = function(maxTextLength, wspaces, txt, ei, a, b, i, c, o, d, e) {

  //===== CONFIG START =====

  maxTextLength = 100;

  //===== CONFIG END =====

  function zerolead(s, l) {
    return ("0").repeat(l - s.length) + s;
  }

  function hex(n, h) {
    h = n.toString(16).toUpperCase();
    if (n <= 0xff) {
      return zerolead(h, 2);
    } else if (n <= 0xffff) {
      return zerolead(h, 4);
    } else return zerolead(h, 8);
  }

  txt = getSelection();
  if ((txt.anchorNode === txt.focusNode) && (txt.anchorOffset === txt.focusOffset)) {
    if (!(txt = document.activeElement) || !("value" in txt)) return;
    txt = txt.value.substring(txt.selectionStart, txt.selectionEnd);
  } else txt = txt.toString();
  if (!txt || document.querySelector('div.showCharCode[id^="scc"]')) return;
  ei = "scc" + (new Date()).getTime();
  a = document.createElement("DIV");
  a.id = ei;
  a.className = "showCharCode"
  a.innerHTML = `
<style>
#${ei} * {
  opacity:1!important; visibility:visible!important;
  position:static!important; z-index:auto!important; left:auto!important; top:auto!important; right:auto!important; bottom:auto!important; float:none!important;
  margin:0!important; vertical-align:baseline!important;
  border:none!important; padding:0!important; width:auto!important; height:auto!important; overflow:visible!important;
  background:transparent!important; text-align:left!important; text-decoration:none!important; color:#000!important;
  font:normal normal normal 16pt/normal sans-serif!important; cursor:auto!important;
}
#${ei}, #${ei} .curtain {
  display:block!important; position:fixed!important; z-index:999999996!important; left:0!important; top:0!important; right:0!important; bottom:0!important;
}
#${ei} .curtain {
  opacity:.3!important; z-index:999999997!important; background:#000!important; cursor:pointer!important;
}
#${ei} .dialog {
  display:block!important; z-index:999999998!important; visibility:visible!important;
  position:absolute!important;
  padding:10px 10px 0 10px!important; border:5px solid #55b!important; border-radius:10px!important;
  max-height:90%!important; overflow-y:scroll!important; background:#fff!important;
}
#${ei} label {
  margin-right:2ex!important; cursor:pointer!important;
}
#${ei} label:last-child {
  margin-right:0!important;
}
#${ei} table {
  margin:10px 0!important;
}
#${ei} th {
  padding:0 1ex!important; background:#000!important; text-align:center!important; color:#fff!important;
}
#${ei} table.no1Bytes .bytes1 {
  display:none!important;
}
#${ei} table.no2Bytes .bytes2 {
  display:none!important;
}
#${ei} table.no4Bytes .bytes4 {
  display:none!important;
}
#${ei} table.noWSpaces .wspace {
  display:none!important;
}
#${ei} td {
  padding:0 1ex!important; background:#ddd!important;
}
#${ei} td:first-child {
  position:relative!important; text-align:center!important;
}
#${ei} td:first-child:hover:after {
  position:absolute!important; z-index:999999999!important; top:-.54em!important;
  border: 2px solid #007; border-radius:10px!important; padding:0 .11em!important; background:#fff!important;
  font-size:80px; content:attr(char);
}
#${ei} tr:nth-child(2)~tr td:first-child:hover:after {
  top:-.89em!important;
}
#${ei} td+td {
  text-align:right!important;
}
</style>
<div class="curtain"></div>
<div class="dialog">
  <div style="white-space:nowrap!important">
    <label for="${ei}1bytes"><input id="${ei}1bytes" type="checkbox" checked /> 1-Byte</label>
    <label for="${ei}2bytes"><input id="${ei}2bytes" type="checkbox" checked /> 2-Bytes</label>
    <label for="${ei}4bytes"><input id="${ei}4bytes" type="checkbox" checked /> 4-Bytes</label>
    <label for="${ei}wspaces"><input id="${ei}wspaces" type="checkbox" /> White-Spaces</label>
  </div>
  <table class="noWSpaces">
    <tr><th>Char</th><th>Hex</th><th>Dec</th><th>UTF-16 Codes</th><th>UTF-8 Codes</th></tr>
  </table>
</div>
`;
  a.children[1].addEventListener("click", function() {
    a.remove();
    document.documentElement.style.overflow = "";
  }, true);
  b = a.lastElementChild.lastElementChild;
  a.querySelector("#" + ei + "1bytes").addEventListener("click", function() {
    b.classList.toggle("no1Bytes");
  }, true);
  a.querySelector("#" + ei + "2bytes").addEventListener("click", function() {
    b.classList.toggle("no2Bytes");
  }, true);
  a.querySelector("#" + ei + "4bytes").addEventListener("click", function() {
    b.classList.toggle("no4Bytes");
  }, true);
  a.querySelector("#" + ei + "wspaces").addEventListener("click", function() {
    b.classList.toggle("noWSpaces");
  }, true);
  wspaces = "\t\n\r \u00a0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u202f\u205f\u3000\ufeff";
  i = 0;
  while (i < txt.length) {
    d = txt.codePointAt(i);
    (e = (o = b.insertRow()).insertCell()).textContent = c = String.fromCodePoint(d);
    e.setAttribute("char", c);
    if (c.length === 1) {
      o.className = ((c.charCodeAt(0) > 0xff) ? "bytes2" : "bytes1") + (wspaces.indexOf(c) >= 0 ? " wspace" : "");
    } else o.className = "bytes4";
    o.insertCell().textContent = "0x" + hex(d);
    o.insertCell().textContent = d;
    o.insertCell().textContent = c.split("").reduce(
      function(p, c) {
        p.push(hex(c.charCodeAt(0)));
        return p;
      }, []
    ).join(",");
    o.insertCell().textContent = unescape(encodeURIComponent(c)).split("").map(
      function(w) {
        return hex(w.charCodeAt(0));
      }
    ).join(",");
    i += c.length;
  }
  document.body.appendChild(a);
  c = b.parentNode;
  c.style.cssText =
    "left:" + Math.floor((innerWidth - c.offsetWidth) / 2) + "px!important;" +
    "top:" + Math.floor((innerHeight - c.offsetHeight) / 2) + "px!important";
  document.documentElement.style.overflow = "hidden";
};