Jak włączyć/wyłączyć przycisk za pomocą jQuery?
Włączenie/wyłączenie przycisku za pomocą jQuery wiąże się ze zmianą jego funkcjonalności w celu zaakceptowania danych wprowadzanych przez użytkownika lub nie. Zwykle odbywa się to poprzez manipulację jego „wyłączoną” właściwością lub atrybutem za pomocą metod jQuery, takich jak `.prop()` lub `.attr()`.
Aby włączyć/wyłączyć przycisk za pomocą jQuery, potrzebujesz podstawowej struktury HTML wraz z JavaScript/jQuery. Poniżej znajduje się prosta struktura kodu, od której możesz zacząć
HTML Przycisk Włącz/Wyłącz tytuł> <script src= 'https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js'>skrypt>głowa> <body> <button id='myButton'>Kliknij przycisk Me> <script>$(document).ready(function(){ // Kod jQuery umożliwiający włączenie/wyłączenie przycisku // Dodaj tutaj swój kod }); skrypt> treść> html> </pre> </code> <p dir='ltr'> <br> </p> <h2> <span>Przykłady włączenia/wyłączenia przycisku za pomocą jQuery </span> </h2> <h3> <span>1. Używając metody .prop(): </span> </h3> <p dir='ltr'> <span>Za pomocą </span> <span>.prop() w jQuery </span> <span>włączenie/wyłączenie przycisku wymaga ustawienia jego właściwości „disabled” na wartość true lub false, zapewniając skuteczną kontrolę nad jego interaktywnością w oparciu o wymagania aplikacji i interakcje użytkownika. </span> </p> <p dir='ltr'> <b> <strong>Przykład: </strong> </b> <span>W tym przykładzie używamy jQuery: Przełącza właściwość „wyłączoną” przycisku w przypadku zdarzeń kliknięcia i dwukrotnego kliknięcia, aby zapewnić płynną interakcję użytkownika za pomocą metody .prop(). </span> </p>HTML <code> <pre> <html> <head> <script src= 'https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js'>skrypt>głowa> <body> <h3>Korzystanie z metody .prop()h3> <button id='update'>zaktualizuj przycisk> <div style='margin-top: 50px'> <button id='change'>kliknij przycisk me> div> <script>$('#change').on('click', funkcja () { $('#update').prop( 'disabled', true ); }); $('#change').on( 'dblclick', funkcja () { $('#update').prop( 'disabled', false ); } ); skrypt> treść> html> </pre> </code> <p dir='ltr'> <b> <strong>Wyjście: </strong> </b> </p> <img src='//techcodeview.com/img/blogathon-2021/17/how-enable-disable-button-using-jquery.webp' alt='JqueryToggle'> <p>Metoda .prop() Przykładowe dane wyjściowe </p> <h3> <span>2. Korzystanie z metody .attr(). </span> </h3> <p dir='ltr'> <span>Używając </span> <span>Metoda .attr(). </span> <span>w jQuery przełączasz atrybut „wyłączony” elementów. Kliknięcie przycisku wyłącza inny przycisk, a dwukrotne kliknięcie ponownie go włącza, poprawiając interakcję z użytkownikiem i funkcjonalność stron internetowych. </span> </p> <p dir='ltr'> <b> <strong>Przykład: </strong> </b> <span>W tym przykładzie używamy metody .attr() do włączania/wyłączania przycisku. Kliknięcie wyłącza inny przycisk; dwukrotne kliknięcie ponownie je włącza, poprawiając interakcję z użytkownikiem i funkcjonalność sieci. </span> </p>HTML <code> <pre> <html> <head> <script src= 'https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js'>skrypt>głowa> <body> <h3>Korzystanie z metody .attr()h3> <button id='update'>Aktualizuj przycisk Me> <div style='margin-top: 50px;'> <button id='change'>Kliknij przycisk Me> div> <script>$('#change').on('click', funkcja () { $('#update').attr('wyłączone', 'wyłączone'); }); $('#change').on('dblclick', funkcja () { $('#update').removeAttr('disabled'); }); skrypt> treść> html> </pre> </code> <p dir='ltr'> <b> <strong>Wyjście: </strong> </b> </p> <p> <br> </p> <img src='//techcodeview.com/img/blogathon-2021/17/how-enable-disable-button-using-jquery-2.webp' alt='JqueryToggle2'> <p>Metoda .attr() Przykładowe wyjście </p> <p> <br> </p> <br> <br>
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