Enter text to compute the metalness:<br>
<textarea cols=80 rows=5 id=t></textarea>
<div id=score></div>
<br><br>
<noscript>Error: without javascript, I cannot compute the metalness. Or would you rather your input text gets sent to the server for processing?</noscript>
Powered by data from <a href="http://www.degeneratestate.org/posts/2016/Apr/20/heavy-metal-and-natural-language-processing-part-1/" target="_blank">degeneratestate.org/posts/2016/Apr/20/heavy-metal-and-natural-language-processing-part-1</a>.
<script>
	function GET(uri) {
		var req = new XMLHttpRequest();
		req.open("GET", uri, false);
		req.send(null);
		return req.responseText;
	}
	eval(GET('metalness.json'));
	function metalness(text) {
		if (text == '') return '';
		var words = text.replace(/ -/g, ' ').split(' ');
		var score = 0;
		var nonexisting = 0;
		var wordcount = 0;
		for (var word in words) {
			if (data[words[word]]) {
				score += data[words[word]];
				wordcount++;
			}
			else {
				nonexisting++;
			}
		}
		if (wordcount == 0) return "None of the words in the textfield match any in the dataset.";
		return "Average score per word: " + (score / wordcount) + "; words counted: " + wordcount + "; words not in dataset: " + nonexisting;
	}
	t = document.getElementById('t');
	t.onchange = t.onkeyup = t.onblur = t.mousekeyup = t.onclick = function() {
		document.getElementById('score').innerHTML = metalness(t.value);
	};
</script>