partychen.github.io/basic-authentication-header-generator.html at master · partychen/partychen.github.io · GitHub

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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Basic Authentication Header Generator</title>
<link rel="stylesheet" href="css/utils.css">
</head>
<body>
<h1>Basic Authentication Header Generator</h1>
<p>Generates a Basic Authentication Header.</p>
<form>
<fieldset>
    <legend>Basic Authentication Header Generator</legend>
    <label for="username">Username</label>
    <input id="username" name="username" type="text"/>
    <label for="password">Password</label>
    <input id="password" name="password" type="password"/>
    <div id="result"></div>
    <input id="btn" type="button" value="Generate Header"/>
</fieldset>
</form>
<script>
(function() {
    var usernameField = document.getElementById('username');
    var passwordField = document.getElementById('password');
    var result = document.getElementById('result');
    var btn = document.getElementById('btn');
    btn.onclick = function() {
        result.textContent = 'Authorization: Basic ' + btoa(usernameField.value + ':' + passwordField.value);
        result.style.display = 'block';
    };
})();
</script>
</body>
</html>