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<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery Set Value of Input Text Box</title>
<script src="https://code.jquery.com/jquery-3.5.1.min.js"></script>
<script>
$(document).ready(function(){
$("#myInput").val("https://");
});
</script>
</head>
<body>
<label>Enter Website URL:</label>
<input type="text" id="myInput">
</body>
</html>