How to prevent copying of text in Javascript
HTML content:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>禁止选中文字和禁止右键菜单</title>
</head>
<body>
</body>
</html>JS code:
<script>
const p=document.querySelector('p');
console.log(p);
p.addEventListener("contextmenu",function(e){
e.preventDefault();
});
</script> Although the above code cannot be selected by right-clicking and the menu will appear, it can still be selected by using the shortcut key ctrl c Copy, so you can modify it as follows:
<script>
const p=document.querySelector('p');
console.log(p);
p.addEventListener("contextmenu",function(e){
e.preventDefault();
});
p.addEventListener("selectstart",function(e){
e.preventDefault();
});
</script>Recommended: "2021 js interview questions and answers (large summary)"
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