Password Length Indicator

Indicate password fields that have a maximum length of characters.

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 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         Password Length Indicator
// @namespace    trockenasche
// @version      3.1
// @description  Indicate password fields that have a maximum length of characters.
// @author       trockenasche
// @homepage     https://github.com/trockenasche/US-Password-Length-Indicator
// @supportURL   https://github.com/trockenasche/US-Password-Length-Indicator/issues
// @include      *
// @icon         https://upload.wikimedia.org/wikipedia/commons/thumb/0/0a/Three_asterisks.svg/32px-Three_asterisks.svg.png
// @grant        none
// @run-at       document-idle
// @license      MIT
// ==/UserScript==

function addGlobalStyle(css) {
    var head, style;
    head = document.getElementsByTagName('head')[0];
    if (!head) {
        return;
    }
    style = document.createElement('style');
    style.innerHTML = css;
    head.appendChild(style);
}

function removeMaxLength() {
    var passFields = document.querySelectorAll("input[type='password']");
    [].forEach.call(passFields, function (passField) {
        passField.removeAttribute("maxLength");
        passField.style.border = "0px";
    })
    var divs = document.querySelectorAll("div.us-pli-div");
    [].forEach.call(divs, function (div) {
        div.remove();
    });
}

(function () {
    'use strict';
    var passFields = document.querySelectorAll("input[type='password']");

    if (passFields.length == 0) {
        // Couldn't find any password fields, leaving function.
        return;
    }

    addGlobalStyle(`div.us-pli {
                    position: relative;
                    display: flex;
                    flex-direction: row;
                    width: 100%;
                    align-content: flex-end;
                    }`);
    addGlobalStyle(`div.us-pli>div {
                    padding: 0px 1px;
                    background: coral;
                    border: 1px solid coral;
                    justify-content: center;
                    display: flex;
                    border-radius: 0px 5px 5px 0px;
                    }`);
    addGlobalStyle(`a.us-pli-button {
                    color: white;
                    font-family: Verdana, Arial, Helvetica, sans-serif;
                    font-size: 0.9em;
                    text-decoration: none;
                    align-self: center;
                    }`);
    addGlobalStyle(`a.us-pli-button:hover {
                    color: red;
                    text-decoration: line-through;
                    }`);

    [].forEach.call(passFields, function (passField) {
        if (passField.maxLength > 0) {
            passField.style.border = "2px solid coral";

            // Add the div before the input field.
            var wrapper = document.createElement('div');
            wrapper.classList.add('us-pli');
            passField.parentNode.insertBefore(wrapper, passField);
            // And move the input field inside the div element.
            wrapper.appendChild(passField);

            // Add the div element with the maxLength value at the end of the input element.
            passField.insertAdjacentHTML('afterend', '<div class="us-pli-div"><a href="javascript:void\(0\)" class="us-pli-button" title="remove limit!"> ' + passField.maxLength + '</a></div>');
        }
    });

    var usPliButtons = document.querySelectorAll("a.us-pli-button");
    if (usPliButtons.length > 0) {
        [].forEach.call(usPliButtons, function (usPliButton) {
            usPliButton.addEventListener("click", removeMaxLength);
        });
    }

    return;
})

();