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<p>Disable the right-click (context menu) to prevent copy-and-paste.</p> <p>Disable the clipboard copy.</p> <p>CSS disable select and hide the highlighting of text.</p>
<style> /* (C) NO SELECT + HIGHLIGHT COLOR */ * { user-select: none; } *::selection { background: none; } *::-moz-selection { background: none; } </style>
<script> // (A) PREVENT CONTEXT MENU FROM OPENING document.addEventListener("contextmenu", (evt) => { evt.preventDefault(); }, false); // (B) PREVENT CLIPBOARD COPYING document.addEventListener("copy", (evt) => { // (B1) CHANGE THE COPIED TEXT IF YOU WANT evt.clipboardData.setData("text/plain", "Copying is not allowed on this webpage"); // (B2) PREVENT THE DEFAULT COPY ACTION evt.preventDefault(); }, false); $(document).bind('keydown', 'ctrl+u', function(e) { e.preventDefault(); return false; },false); </script>
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