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()

As of 10.01.2024. See апошняя версія.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Show Character Codes
// @namespace    https://greatest.deepsurf.us/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";
};