darmentrout/simple-text-editor.html

## simple-text-editor.html
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Simple Text Editor</title>
    <style>
        * { box-sizing: border-box; }
        html,
        body {
            margin: 0;
            padding: 0;
            font-family: sans-serif;
        }
        body {
            display: flex;
            flex-direction: column;
            height: 100vh;
        }
        header,
        main {
            padding: 1rem;
            margin: 0;
        }
        header {
            background-color: #eee;
            border-bottom: 2px solid #666;
            font-family: sans-serif;
        }
        h1 {
            font-size: 2rem;
            padding: 0;
            margin: 0 0 1rem;
        }
        main {
            font-family: monospace, sans-serif;
            flex: 1;
        }
        footer {
            background-color: #eee;
            border-top: 2px solid #666;
            margin: 0;
            padding: 1rem;
        }
    </style>
</head>
<body>

    <header>
        <h1>Simple Text Editor</h1>
        <a id="theFile" href="" download="default.txt" hidden="true"></a>
        <label>
            Load File:&nbsp;
            <input id="fileInput" type="file">
        </label>
        <label>
            File Name:&nbsp;
            <input id="theFileName" value="text-file">
        </label>
        <button id="saveFile">Save</button>

    </header>

    <main id="theContent" contenteditable="true">Default text.</main>

    <footer>&copy; <span id="copyright">MMXXI</span> Damion Armentrout</footer>

<script>
    let theFile = document.getElementById('theFile');
    let theFileName = document.getElementById('theFileName');
    let theContent = document.getElementById('theContent');

    const saveToFile = () => {
        const theData = window.btoa(theContent.innerText);
        theFile.href = 'data:text/plain;charset=utf-8;base64,' + theData;
        theFile.download = theFileName.value + '.txt';
        theFile.click();
    }
    document.getElementById('saveFile').addEventListener('click', saveToFile);

    const theDate = new Date();
    document.getElementById('copyright').innerText = theDate.getFullYear();

    function readFile(input) {
        let file = input.files[0];

        let reader = new FileReader();
        reader.readAsText(file);

        reader.onload = function() {
            theContent.innerText = reader.result;
        };

        reader.onerror = function() {
            theContent.innerText = reader.error;
        };
    }

    let fileInput = document.getElementById('fileInput');
    fileInput.addEventListener('change', (e) => {
        readFile(fileInput);
    });

</script>

</body>
</html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<title>Simple Text Editor</title>
	<style>
	* { box-sizing: border-box; }
	html,
	body {
	margin: 0;
	padding: 0;
	font-family: sans-serif;
	}
	body {
	display: flex;
	flex-direction: column;
	height: 100vh;
	}
	header,
	main {
	padding: 1rem;
	margin: 0;
	}
	header {
	background-color: #eee;
	border-bottom: 2px solid #666;
	font-family: sans-serif;
	}
	h1 {
	font-size: 2rem;
	padding: 0;
	margin: 0 0 1rem;
	}
	main {
	font-family: monospace, sans-serif;
	flex: 1;
	}
	footer {
	background-color: #eee;
	border-top: 2px solid #666;
	margin: 0;
	padding: 1rem;
	}
	</style>
	</head>
	<body>

	<header>
	<h1>Simple Text Editor</h1>
	<a id="theFile" href="" download="default.txt" hidden="true"></a>
	<label>
	Load File:
	<input id="fileInput" type="file">
	</label>
	<label>
	File Name:
	<input id="theFileName" value="text-file">
	</label>
	<button id="saveFile">Save</button>

	</header>

	<main id="theContent" contenteditable="true">Default text.</main>

	<footer>© <span id="copyright">MMXXI</span> Damion Armentrout</footer>

	<script>
	let theFile = document.getElementById('theFile');
	let theFileName = document.getElementById('theFileName');
	let theContent = document.getElementById('theContent');

	const saveToFile = () => {
	const theData = window.btoa(theContent.innerText);
	theFile.href = 'data:text/plain;charset=utf-8;base64,' + theData;
	theFile.download = theFileName.value + '.txt';
	theFile.click();
	}
	document.getElementById('saveFile').addEventListener('click', saveToFile);

	const theDate = new Date();
	document.getElementById('copyright').innerText = theDate.getFullYear();

	function readFile(input) {
	let file = input.files[0];

	let reader = new FileReader();
	reader.readAsText(file);

	reader.onload = function() {
	theContent.innerText = reader.result;
	};

	reader.onerror = function() {
	theContent.innerText = reader.error;
	};
	}

	let fileInput = document.getElementById('fileInput');
	fileInput.addEventListener('change', (e) => {
	readFile(fileInput);
	});

	</script>

	</body>
	</html>