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The type property
Dynamic element styles8/17
Back to the list of tasks
  • 1. The style property
  • 2. Setting the font color
  • 3. Obtaining the value from the field with the slider
  • 4. Setting the font size
  • 5. Comparing onchange and oninput
  • 6. Configuring the background color
  • 7. The type property
  • 8. Using the checkbox to show the password
  • 9. The checked property
  • 10. Changing the bar length
  • 11. Tying the bar length to the password length
  • 12. Saving the password length as a variable
  • 13. Comparison operators
  • 14. The else if statement
  • 15. Finishing the signup page
  • 16. Summary of “Dynamic element styles”
  • 17. Test: Pixel art
The checked property
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Using the checkbox to show the password

We learned how to change the input field type. In order to complete the assignment, we need to change the password field type when the user ticks the “Show password” checkbox.

A checkbox is an input field that can have one of two states: checked or unchecked. The checkmark indicates the state of the checkbox in browsers: if the checkbox is ticked, then its checked state is true, otherwise it is false. When the checkbox is ticked or unticked, the status of the checkbox changes. To track this event from the script, use the onchange event handler.

The “Show password” checkbox has the show-password class. Find it, write it to a variable, and add a handler to it. Then move the instruction that changes the field type inside the handler. Then make sure that if you check the checkbox, the password will be visible.

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Files
    <!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8"> <link rel="stylesheet" href="setting.css"> <link rel="stylesheet" href="style.css"> <title>FlashNews! Sign up</title> </head> <body class="page light-theme"> <header class="page-header"> <div class="container"> <a class="header-logo"> <img src="img/main-logo.svg" width="67" height="29" alt="FlashNews! portal logo"> </a> <a href="subscription.html" class="subscription-link">Subscription</a> <button class="theme-button" type="button">Change the theme</button> </div> </header> <main class="index-main"> <div class="container"> <h1 class="inner-heading">Sign up</h1> <form class="reg-form" action="https://echo.htmlacademy.ru/courses" method="post"> <label class="reg-label" for="reg-name">Username</label> <input class="name" type="text" value="Identified Raccoon" id="reg-name" name="reg-name" placeholder="Identified Raccoon" required> <label class="reg-label" for="reg-pass">Password</label> <input class="password" type="password" value="MuffinRules777" id="reg-pass" name="reg-pass" placeholder="**********" required > <div class="security"> <div class="security-bar"></div> </div> <input class="show-password visually-hidden" type="checkbox" id="show-pass"> <label class="checkbox-label" for="show-pass">Show password</label> <button class="button" type="submit">Sign up</button> </form> </div> </main> <footer class="page-footer"> <div class="container"> <p>© FlashNews!</p> <a class="footer-logo"> <img src="img/white-logo.svg" alt="FlashNews! portal logo"> </a> </div> </footer> <script src="themes.js"></script> <script src="password.js"></script> </body> </html>
    /* Registration form */ .reg-form { display: flex; flex-direction: column; flex-wrap: wrap; margin-top: 12px; margin-bottom: 30px; padding: 8px 12px; } .reg-label { z-index: 1; margin-right: auto; margin-bottom: -6px; margin-left: -6px; padding: 2px 6px; font-size: 10px; line-height: 14px; } .name, .password { width: 100%; margin-bottom: 10px; padding: 0 10px; background-color: transparent; font: inherit; font-size: 14px; line-height: 30px; outline-offset: 0; border: 1px solid; } .password { padding-bottom: 4px; } .name::placeholder, .password::placeholder { color: #aaaaaa; font: inherit; font-size: 14px; font-style: italic; } .name:focus::placeholder, .password:focus::placeholder { font-size: 0; } .name:hover::placeholder, .name:active::placeholder, .password:hover::placeholder, .password:active::placeholder { opacity: 0.5; } .checkbox-label { position: relative; margin: 4px auto 16px 0; padding: 4px 24px; } .checkbox-label::before { position: absolute; content: ""; flex-shrink: 0; top: 3px; left: 0; width: 14px; height: 14px; background-position: center; background-repeat: no-repeat; border-radius: 2px; border: 1px solid; } .show-password:focus + .checkbox-label::before { outline: auto; outline-width: 4px; } .checkbox-label:active::before { opacity: 0.6; } .reg-form .button { margin-right: auto; margin-bottom: 16px; } .security { position: relative; margin: -14px 1px 8px; width: calc(100% - 2px); overflow: hidden; background-color: #eae9f2; } .security::before { position: absolute; content: ""; width: 4px; height: 4px; top: 0; left: 50%; background-color: #ffffff; } .security::after { position: absolute; content: ""; width: 4px; height: 4px; top: 0; left: 90%; background-color: #ffffff; } .security-bar { height: 4px; width: 0; background-color: mediumpurple; } /* Registration form color themes */ .light-theme .reg-form { background-color: #ffffff; box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2); } .light-theme .reg-label { color: #6653d9; background-color: #ffffff; } .light-theme .name, .light-theme .password { border-color: #eae9f2; color: #333333; outline-color: #b6aaff; } .light-theme .checkbox-label::before { background-color: #ffffff; border-color: #6653d9; } .light-theme .checkbox-label:hover::before { background-color: #b6aaff; } .light-theme .show-password:checked + .checkbox-label::before { background-color: #6653d9; background-image: url("img/check-light.svg"); } .light-theme .show-password:focus + .checkbox-label::before { outline-color: #b6aaff; } .light-theme .security { background-color: #eae9f2; } .light-theme .security::before, .light-theme .security::after { background-color: #ffffff; } .dark-theme .reg-form { background-color: #2a2930; box-shadow: 0 1px 4px rgba(0, 0, 0, 0.6); } .dark-theme .reg-label { color: #9484f2; background-color: #2a2930; } .dark-theme .name, .dark-theme .password { border-color: #473c8d; color: #f2f2f2; outline-color: #6653d9; } .dark-theme .checkbox-label::before { background-color: #2a2930; border-color: #9484f2; } .dark-theme .checkbox-label:hover::before { background-color: #9484f2; } .dark-theme .show-password:checked + .checkbox-label::before { background-color: #9484f2; background-image: url("img/check-dark.svg"); } .dark-theme .show-password:focus + .checkbox-label::before { outline-color: #6653d9; } .dark-theme .security { background-color: #473c8d; } .dark-theme .security::before, .dark-theme .security::after { background-color: #2a2930; }
    let password = document.querySelector('.password'); // Declare a variable here password.type = 'text';
    let page = document.querySelector('.page'); let themeButton = document.querySelector('.theme-button'); themeButton.onclick = function () { page.classList.toggle('light-theme'); page.classList.toggle('dark-theme'); };

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      1. On line 2, declare a variable showPassword and assign the element with the show-password class to it.
      2. Below, add the onchange event handler to the showPassword element.
      3. Place the password.type = 'text'; instruction inside the handler.
      4. In the mini-browser, check the “Show password” checkbox. Please note how the text in the “Password' input field is now visible.
      5. Uncheck the checkbox. Please note how the password is not hidden.

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