1 files changed, 133 insertions, 0 deletions
diff --git a/js/anagramgame.js b/js/anagramgame.js
new file mode 100644
index 0000000..82c403a
--- /dev/null
+++ b/js/anagramgame.js
@@ -0,0 +1,133 @@
+var words = [];
+var word;
+var anagram;
+var alphabet = "qwertyuiopasdfghjklzxcvbnm";
+var letters = alphabet + alphabet.toUpperCase();
+
+
+Array.prototype.equals = function (array)
+{
+	if (this.length != array.length)
+		return false;
+	for (var i = 0; i < array.length; i++)
+	{
+		if (this[i] != array[i])
+			return false;
+	}
+	return true;
+}
+
+function containsSymbols(w)
+{
+	for (var i = 0; i < w.length; i++)
+	{
+		if (!letters.includes(w[i]))
+			return true;
+	}
+	return false;
+}
+
+function letterCounts(w)
+{
+	var lc = [];
+	for (var i = 0; i < 26; i++)
+	{
+		lc.push(0);
+	}
+	var w = w.toLowerCase();
+	for (var i = 0; i < w.length; i++)
+	{
+		lc[w.charCodeAt(i)-97]++;
+	}
+	return lc;
+}
+
+function isAnagram(w1, w2)
+{
+	return letterCounts(w1).equals(letterCounts(w2));
+}
+
+function findWord()
+{
+	var numWords = words.length;
+	word = words[Math.floor(Math.random()*numWords)];
+	if (containsSymbols(word))
+		findWord();
+	var lc = letterCounts(word);
+	for (var i = 0; i < numWords; i++)
+	{
+		if (words[i] != word && letterCounts(words[i]).equals(lc))
+		{
+			anagram = words[i];
+			return;
+		}
+	}
+	findWord();
+}
+
+function play()
+{
+	document.getElementById("hidden").style = "visibility: hidden;";
+	document.getElementById("again").style = "visibility: hidden;";	
+	document.getElementById("answer").style = "visibility: hidden;";	
+	document.getElementById("guess").value = "";
+	document.getElementById("loading").innerHTML = "Finding a word with an anagram...";
+	findWord();
+	document.getElementById("loading").innerHTML = "";
+	document.getElementById("word").innerHTML = "Find an anagram of " + word + ".";
+	document.getElementById("hidden").style = "";
+	
+}
+
+function isWord(x)
+{
+	return words.indexOf(x) > -1;
+}
+
+function loadWords()
+{
+	var xhttp = new XMLHttpRequest();
+	xhttp.onreadystatechange = function()
+	{
+		if (xhttp.readyState == 4 && xhttp.status == 200)
+		{
+			var allwords = xhttp.responseText.split('\n');
+			words = [];
+			for (var i = 0; i < allwords.length; i++)
+			{
+				if (allwords[i].length == 7)
+					words.push(allwords[i].toLowerCase());
+			}
+			play();
+		}
+	};	
+	xhttp.open("GET", "https://raw.githubusercontent.com/sindresorhus/word-list/master/words.txt", true);
+	xhttp.send();
+}
+
+function submit()
+{
+	var guess = document.getElementById("guess").value.toLowerCase();
+	if (letterCounts(guess).equals(letterCounts(word)) && isWord(guess))
+	{
+		document.getElementById("answer").style = "";
+		document.getElementById("answer").innerHTML = "<span style='color: green'>Correct!</span>";
+		
+		document.getElementById("again").style = "";
+	}
+	else
+	{
+		document.getElementById("answer").style = "";
+		document.getElementById("answer").innerHTML = "<span style='color: red'>Incorrect!</span>";
+	}
+}
+
+function giveUp()
+{
+	document.getElementById("answer").style = "";
+	document.getElementById("answer").innerHTML = "<span style='color: red'>The answer was " + anagram + ".</span>";
+	
+	document.getElementById("again").style = "";
+}
+
+loadWords();