Password Toggler - view input passwords

Adds buttons to each input to show/hide passwords

Versión del día 11/03/2017. Echa un vistazo a la versión más reciente.

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

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

Necesitarás instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Necesitará instalar una extensión como Tampermonkey para instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

// ==UserScript==
// @name         Password Toggler - view input passwords
// @namespace    https://github.com/pckltr/password-toggler
// @version      1.2
// @description  Adds buttons to each input to show/hide passwords
// @author       pckltr
// @match        *://*/*
// ==/UserScript==

(function() {
    "use strict";

    // get all page inputs
    var pageInputs = document.getElementsByTagName("input"),
        passwordInputs = [],
        buttonStyle = ".password-toggler-button-parent {position: relative; overflow: visible;} .password-toggler-button {top: 50%; right: 8px; position: absolute; cursor: pointer; transform: translateY(-50%); background-size: cover; z-index: 9999999; background: #dcdcdc; border-radius: 100%; background-repeat: no-repeat; background-position: center center; box-sizing: border-box;} .password-toggler-show {background-image: url(data:image/svg+xml;base64,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);} .password-toggler-hide {background-image: url(data:image/svg+xml;base64,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);}";

    // add style element in DOM
    var style = document.createElement("style");
    style.innerHTML = buttonStyle;
    document.head.appendChild(style);

    var addButtons = function() {

        // add password inputs into an array
        for (var a = 0; a < pageInputs.length; a++) {
            if (pageInputs[a].hasAttribute("type") && pageInputs[a].getAttribute("type") === "password") {
                passwordInputs.push(pageInputs[a]);
            }
        }

        // add buttons to each password input
        for (var b = 0; b < passwordInputs.length; b++) {
            var button = document.createElement("div");
            passwordInputs[b].parentElement.className += " password-toggler-button-parent";
            passwordInputs[b].parentElement.appendChild(button);
            button.setAttribute("style", "height: " + (passwordInputs[b].offsetHeight-8) + "px; width: " + (passwordInputs[b].offsetHeight-8) + "px;");
            button.className += "password-toggler-button password-toggler-show";
            button.setAttribute("title", "Show password");
        }

        // get all buttons
        var passwordTogglers = document.getElementsByClassName("password-toggler-button");

        // toggle password inputs title, type and change button style
        function togglePasswords() {
            for (var i = 0; i < passwordInputs.length; i++) {
                if (passwordInputs[i].type === "password") {
                    passwordInputs[i].type = "text";
                    for (var j = 0; j < passwordTogglers.length; j++) {
                        passwordTogglers[j].title = "Hide password";
                        passwordTogglers[j].className = "password-toggler-button password-toggler-hide";
                    }
                } else {
                    passwordInputs[i].type = "password";
                    for (var k = 0; k < passwordTogglers.length; k++) {
                        passwordTogglers[k].title = "Show password";
                        passwordTogglers[k].className = "password-toggler-button password-toggler-show";
                    }
                }
            }
        }

        // add click event to buttons
        for (var i = 0; i < passwordTogglers.length; i++) {
            passwordTogglers[i].addEventListener("click", togglePasswords, false);
        }

        // clear inverval
        if (pageInputs.length !== 0) {
            clearInterval(buttonRepeat);
        }
    };

    // add inverval if inputs don't exist
    var buttonRepeat;
    if (pageInputs.length === 0) {
        buttonRepeat = setInterval(addButtons, 100);
    } else {
        addButtons();
    }

})();