hardrisk.github.io/dosyadanstringoku.html at master · hardrisk/hardrisk.github.io · GitHub

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<html>
<body>

<!-- user interface -->

<input id="inputFileToRead" type="file" onchange="inputFileToRead_Changed(this);"></input>

<script type="text/javascript">

// user interface events

function inputFileToRead_Changed(inputFileToRead)
{
	var pathOfFileToRead = inputFileToRead.files[0].name;

	new FileHelper().readStringFromFileAtPath
	(
		pathOfFileToRead,
		inputFileToRead_Changed_2
	);
}

function inputFileToRead_Changed_2(contentsOfFileAsString)
{
	document.body.innerHTML = contentsOfFileAsString;
}

// classes

function FileHelper()
{}
{
	FileHelper.prototype.readStringFromFileAtPath = function(pathOfFileToReadFrom, callback)
	{
		var request = new XMLHttpRequest();
		request.onload = this.readStringFromFileAtPath_OnLoad.bind(this, callback);
		request.open("GET", pathOfFileToReadFrom, true);
		request.send();
	}

	FileHelper.prototype.readStringFromFileAtPath_OnLoad = function(callback, event)
	{
		var request = event.target;
		var returnValue = request.responseText;
		callback(returnValue);
	}
}

</script>
<br><a href="https://thiscouldbebetter.wordpress.com/2013/01/31/reading-a-string-from-a-file-in-javascript/">kaynak</a>
</body>
</html>