I JavaScript er javascript:void(0) en pseudo-URL som ikke gjør noe når den klikkes. Den brukes ofte som en plassholder i href-attributter for å hindre nettleseren i å navigere til en ny side mens den fortsatt kjører JavaScript-kode.
a-b beskjæring
Bruke # i en anker-tag
Når du skriver følgende kode i editoren, oppdateres nettsiden etter at varselmeldingen vises.
Eksempel:
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techcodeview.comtitle><style>h1 { farge: grønn; } stil> hode> <body> <h1>techcodeview.comh1><h3>uten JavaScript:void(0)h3> <a href='#' ondblclick='alert('Welcome to Geeks for Geeks')'>Dobbeltklikk på meg a> <a href='#' ondblclick='geeks()'>Dobbeltklikk på meg a><script>function geeks() { document.getElementById('gfg').innerHTML = 'Velkommen til techcodeview.com'; } script><p id='gfg'>p> body> html>></pre> </code> <p dir='ltr'> <b> <strong>Produksjon:</strong> </b> <span> </span></p> <img src='//techcodeview.com/img/javascript-questions/07/what-does-javascript.webp' alt="Hva betyr javascript:void(0)?"><p>Hva betyr javascript:void(0)?</p> <h2> <b> <strong>Bruker javascript:void(0); i ankermerke</strong> </b> </h2><p dir='ltr'><span>Skriver javascript:void(0); in anchor tag kan forhindre at siden lastes inn på nytt, og JavaScript-funksjoner kan enkelt kalles på enkelt- eller dobbeltklikk.</span></p><blockquote style="text-transform: capitalize;font-size: 20px; padding: 10px;"><a href="/er-diagram-dbms">er modelleksempler</a>
</blockquote> <p dir='ltr'> <b> <strong>Eksempel:</strong> </b> <span> </span></p>html<code class='hljs'> <pre class='hljs'> <html lang='en'> <head> <meta charset='UTF-8'> <meta name='viewport' content='width=device-width, initial-scale=1.0'> <title>techcodeview.comtitle><style>h1 { farge: grønn; } stil> hode> <body> <h1>techcodeview.comh1><h3>JavaScript:void(0)h3> <a href='javascript:void(0);' ondblclick='geek()'>Dobbeltklikk på meg a><p id='gfg'>p><script>function geek() { document.getElementById('gfg').innerHTML = 'Velkommen til techcodeview.com'; } script> body> html>></pre> </code> <p dir='ltr'> <b> <strong>Produksjon:</strong> </b> <span> </span></p> <img src='//techcodeview.com/img/javascript-questions/07/what-does-javascript-2.webp' alt="Hva betyr javascript:void(0)?"><p>Hva betyr javascript:void(0)?</p><blockquote style="text-transform: capitalize;font-size: 20px; padding: 10px;"><a href="/srinivas-ramanujan">Sree Ramanujan</a>
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