javascript:void(0) とはどういう意味ですか?
JavaScript では、javascript:void(0) はクリックしても何も行わない疑似 URL です。これは一般に、ブラウザが JavaScript コードの実行中に新しいページに移動するのを防ぐための href 属性のプレースホルダーとして使用されます。
アンカータグでの # の使用
エディターで次のコードを記述すると、警告メッセージが表示された後に Web ページが更新されます。
例：
html techcodeview.comtitle> <style>h1 { 色: 緑; スタイル>頭> <body> <h1>techcodeview.comh1> <h3>JavaScript なし:void(0)h3> <a href='#' ondblclick='alert('Welcome to Geeks for Geeks')'>私をダブルクリックしてください> <a href='#' ondblclick='geeks()'>私をダブルクリックしてください> <script>function geeks() { document.getElementById('gfg').innerHTML = 'techcodeview.com へようこそ'; スクリプト> <p id='gfg'>p>本文>html>> </pre> </code> <p dir='ltr'> <b> <strong>出力： </strong> </b> <span> </span> </p> <img src='//techcodeview.com/img/javascript-questions/07/what-does-javascript.webp' alt='javascript:void(0) とはどういう意味ですか?'> <p>javascript:void(0) とはどういう意味ですか? </p> <h2> <b> <strong>javascript:void(0); を使用します。アンカータグ内 </strong> </b> </h2> <p dir='ltr'> <span>javascript:void(0); を書いています。アンカー タグ内にあると、ページのリロードを防ぐことができ、シングルクリックまたはダブルクリックで JavaScript 関数を簡単に呼び出すことができます。 </span> </p> <p dir='ltr'> <b> <strong>例： </strong> </b> <span> </span> </p>html <code> <pre> <html lang='en'> <head> <meta charset='UTF-8'> <meta name='viewport' content='width=device-width, initial-scale=1.0'> <title>techcodeview.comtitle> <style>h1 { 色: 緑; スタイル>頭> <body> <h1>techcodeview.comh1> <h3>JavaScript:void(0)h3> <a href='javascript:void(0);' ondblclick='geek()'>私をダブルクリックしてください> <p id='gfg'>p> <script>function geek() { document.getElementById('gfg').innerHTML = 'techcodeview.com へようこそ'; } スクリプト>本体>html>> </pre> </code> <p dir='ltr'> <b> <strong>出力： </strong> </b> <span> </span> </p> <img src='//techcodeview.com/img/javascript-questions/07/what-does-javascript-2.webp' alt='javascript:void(0) とはどういう意味ですか?'> <p>javascript:void(0) とはどういう意味ですか? </p> <br>
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