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Clock h m s ms

clock ore minuti secondi millesimi

// ==UserScript==
// @name        Clock   h m s ms
// @description clock ore minuti secondi millesimi
// @version     0.1
// @include     *
// @noframes
// @author      figuccio
// @grant       GM_setValue
// @grant       GM_getValue
// @grant       GM_registerMenuCommand
// @icon        data:image/gif;base64,R0lGODlhEAAQAKECABEREe7u7v///////yH5BAEKAAIALAAAAAAQABAAAAIplI+py30Bo5wB2IvzrXDvaoFcCIBeeXaeSY4tibqxSWt2RuWRw/e+UQAAOw==
// @namespace https://greasyfork.org/users/237458
// ==/UserScript==
/*  */
function addZero(x, n) {
  while (x.toString().length < n) {
    x = "0" + x;
  }
  return x;
}
function myFunction() {
  var d = new Date();
  var x = document.getElementById("ciao");
  var h = addZero(d.getHours(), 2);
  var m = addZero(d.getMinutes(), 2);
  var s = addZero(d.getSeconds(), 2);
  var ms = addZero(d.getMilliseconds(), 3);
  x.innerHTML = h + ":" + m + ":" + s + ":" + ms;
}
let node = document.createElement('div');
////////////
node.id = "ciao";
node.title = 'trascina time';
node.setAttribute("style","cursor:move;padding:4px;background:red;color:lime;top:0;font-family:sans-serif;font-size:14px;position:fixed;text-align:center;z-index:999999;border-radius:10px;border:2px solid blue;");
document.body.appendChild(node);
setInterval(() => myFunction(), 70);
///////////
//Make the DIV element draggagle:
dragElement(document.getElementById("ciao"));

function dragElement(elmnt) {
  var pos1 = 0, pos2 = 0, pos3 = 0, pos4 = 0;
  if (document.getElementById(elmnt.id + "header")) {
    /* if present, the header is where you move the DIV from:*/
    document.getElementById(elmnt.id + "header").onmousedown = dragMouseDown;
  } else {
    /* otherwise, move the DIV from anywhere inside the DIV:*/
    elmnt.onmousedown = dragMouseDown;
  }

  function dragMouseDown(e) {
    e = e || window.event;
    e.preventDefault();
    // get the mouse cursor position at startup:
    pos3 = e.clientX;
    pos4 = e.clientY;
    document.onmouseup = closeDragElement;
    // call a function whenever the cursor moves:
    document.onmousemove = elementDrag;
  }

  function elementDrag(e) {
    e = e || window.event;
    e.preventDefault();
    // calculate the new cursor position:
    pos1 = pos3 - e.clientX;
    pos2 = pos4 - e.clientY;
    pos3 = e.clientX;
    pos4 = e.clientY;
    // set the element's new position:
    elmnt.style.top = (elmnt.offsetTop - pos2) + "px";
    elmnt.style.left = (elmnt.offsetLeft - pos1) + "px";
  }

  function closeDragElement() {
    /* stop moving when mouse button is released:*/
    document.onmouseup = null;
    document.onmousemove = null;
  }
}