code-boxx/0-JS-HANGMAN.MD

## 0-JS-HANGMAN.MD

      
    Raw
  

              0-JS-HANGMAN.MD
            
          
    JAVASCRIPT HANGMAN
https://code-boxx.com/simple-hangman-game-javascript/
IMAGES

LICENSE
Copyright by Code Boxx
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

  
## hangman.css
/* (A) GAME WRAPPER */
#hangman-wrap {
  display: flex;
  max-width: 600px;
  margin: 0 auto;
  background: #ffdfbe;
}
#hangman-left, #hangman-right { padding: 10px; }
#hangman-left { width: 30%; text-align: center; }
#hangman-right { width: 70%; }

/* (B) COMMON INTERFACE */
#hangman-wrap, #hangman-wrap input {
  font-family: Impact, sans-serif;
  font-size: 20px;
}
#hangman-wrap input {
  padding: 5px 20px;
  margin: 2px;
  background: #e46810;
  color: #fff;
  border: 0;
}
#hangman-wrap input[type=button]:disabled {
  background: #7b7b7b;
  color: #ccc;
}

/* (C) LEFT - HANGMAN IMAGE */
#hangman-img {
  max-width: 100%;
  transition: opacity 0.3s;
  opacity: 0;
}

/* (D) RIGHT - CURRENT WORD(S) */
#hangman-words span {
  font-size: 30px;
  display: inline-block;
  margin: 5px;
}

/* (E) RIGHT - AVAILABLE CHARACTERS */
#hangman-char { margin: 10px 0; }

## hangman.html
<!DOCTYPE html>
<html>
  <head>
    <title>Simple Hangman Javascript</title>
    <meta charset="utf-8">
    <link href="hangman.css" rel="stylesheet">
    <script src="hangman.js"></script>
  </head>
  <body>
    <div id="hangman-wrap">
      <!-- (A) LEFT : HANGMAN & LIVES -->
      <div id="hangman-left">
        <img id="hangman-img" src="hangman.png">
        <div id="hangman-lives-w">
          REMAIN: <span id="hangman-lives"></span>
        </div>
      </div>

      <!-- (B) RIGHT : GAME INTERFACE -->
      <div id="hangman-right">
        <!-- (B1) CURRENT WORD(S) -->
        <div id="hangman-words"></div>

        <!-- (B2) AVAILABLE CHARACTERS -->
        <div id="hangman-char"></div>

        <!-- (B3) RESET -->
        <input type="button" value="Reset" id="hangman-reset" disabled>
      </div>
    </div>
  </body>
</html>

## hangman.js
var hangman = {
  // (A) GAME SETTINGS
  // the number of "lives"
  guesses : 5,
  // available words for guessing
  dictionary : ["impress", "incapable", "satisfaction", "develop", "determine"],

  // (B) FLAGS
  word : null, // current chosen word
  wordlen : 0, // word length
  rights : 0,  // current number of correct words
  wrongs : 0,  // current number of wrong guesses

  // (C) HTML ELEMENTS
  hImg : null,   // hangman iamge
  hWord : null,  // current word
  hChar : null,  // available characters
  hLives : null, // lives left

  // (D) INIT
  init : () => {
    // (D1) GET HTML ELEMENTS
    hangman.hImg = document.getElementById("hangman-img");
    hangman.hWord = document.getElementById("hangman-words");
    hangman.hChar = document.getElementById("hangman-char");
    hangman.hLives = document.getElementById("hangman-lives");

    // (D2) GENERATE AVAILABLE CHARACTERS (A-Z)
    for (var i=65; i<91; i++) {
      let charnow = document.createElement("input");
      charnow.type = "button";
      charnow.value = String.fromCharCode(i);
      charnow.disabled = true;
      charnow.onclick = () => hangman.check(charnow);
      hangman.hChar.appendChild(charnow);
    }

    // (D3) START GAME
    let rst = document.getElementById("hangman-reset");
    rst.onclick = hangman.reset;
    rst.disabled = false;
    hangman.reset();
  },

  // (E) HELPER - TOGGLE ENABLE/DISABLE ALL AVAILABLE CHARACTERS
  toggle : disable => {
    let all = hangman.hChar.getElementsByTagName("input");
    for (var i of all) { i.disabled = disable; }
  },

  // (F) START/RESET THE GAME
  reset : () => {
    // (F1) RESET STATS
    hangman.rights = 0;
    hangman.wrongs = 0;
    hangman.hLives.innerHTML = hangman.guesses;
    hangman.hImg.style.opacity = 0;

    // (F2) CHOOSE A RANDOM WORD FROM THE DICTIONARY
    hangman.word = hangman.dictionary[Math.floor(Math.random() * Math.floor(hangman.dictionary.length))];
    hangman.word = hangman.word.toUpperCase();
    hangman.wordlen = hangman.word.length;
    // CHEAT!
    // console.log(hangman.word);

    // (F3) DRAW THE BLANKS
    hangman.hWord.innerHTML = "";
    for (var i=0; i<hangman.word.length; i++) {
      var charnow = document.createElement("span");
      charnow.innerHTML = "_";
      charnow.id = "hangword-" + i;
      hangman.hWord.appendChild(charnow);
    }

    // (F4) ENABLE ALL CHARACTERS
    hangman.toggle(false);
  },

  // (G) CHECK IF SELECTED CHARACTER IS IN THE CURRENT WORD
  check : char => {
    // (G1) CHECK FOR HITS
    var index = 0, hits = [];
    while (index >= 0) {
      index = hangman.word.indexOf(char.value, index);
      if (index == -1) { break; }
      else {
        hits.push(index);
        index++;
      }
    }

    // (G2) CORRECT - SHOW THE HITS
    if (hits.length > 0) {
      // (G2-1) REVEAL WORDS
      for (var hit of hits) {
        document.getElementById("hangword-" + hit).innerHTML = char.value;
      }

      // (G2-2) ALL HIT - WIN!
      hangman.rights += hits.length;
      if (hangman.rights == hangman.wordlen) {
        hangman.toggle(true);
        alert("YOU WIN!");
      }
    }

    // (G3) WRONG - MINUS LIFE & SHOW HANGMAN
    else {
      // (G3-1) UPDATE HANGMAN
      hangman.wrongs++;
      var livesleft = hangman.guesses - hangman.wrongs;
      hangman.hLives.innerHTML = livesleft;
      hangman.hImg.style.opacity = (1 - (livesleft/hangman.guesses)).toFixed(2);

      // (G3-2) RUN OUT OF GUESSES - LOSE!
      if (hangman.wrongs == hangman.guesses) {
        hangman.toggle(true);
        alert("YOU LOSE!");
      }
    }

    // (G4) DISABLE SELECTED CHARACTER
    char.disabled = true;
  }
};
window.addEventListener("DOMContentLoaded", hangman.init);
	/* (A) GAME WRAPPER */
	#hangman-wrap {
	display: flex;
	max-width: 600px;
	margin: 0 auto;
	background: #ffdfbe;
	}
	#hangman-left, #hangman-right { padding: 10px; }
	#hangman-left { width: 30%; text-align: center; }
	#hangman-right { width: 70%; }

	/* (B) COMMON INTERFACE */
	#hangman-wrap, #hangman-wrap input {
	font-family: Impact, sans-serif;
	font-size: 20px;
	}
	#hangman-wrap input {
	padding: 5px 20px;
	margin: 2px;
	background: #e46810;
	color: #fff;
	border: 0;
	}
	#hangman-wrap input[type=button]:disabled {
	background: #7b7b7b;
	color: #ccc;
	}

	/* (C) LEFT - HANGMAN IMAGE */
	#hangman-img {
	max-width: 100%;
	transition: opacity 0.3s;
	opacity: 0;
	}

	/* (D) RIGHT - CURRENT WORD(S) */
	#hangman-words span {
	font-size: 30px;
	display: inline-block;
	margin: 5px;
	}

	/* (E) RIGHT - AVAILABLE CHARACTERS */
	#hangman-char { margin: 10px 0; }
	<!DOCTYPE html>
	<html>
	<head>
	<title>Simple Hangman Javascript</title>
	<meta charset="utf-8">
	<link href="hangman.css" rel="stylesheet">
	<script src="hangman.js"></script>
	</head>
	<body>
	<div id="hangman-wrap">
	<!-- (A) LEFT : HANGMAN & LIVES -->
	<div id="hangman-left">
	<img id="hangman-img" src="hangman.png">
	<div id="hangman-lives-w">
	REMAIN: <span id="hangman-lives"></span>
	</div>
	</div>

	<!-- (B) RIGHT : GAME INTERFACE -->
	<div id="hangman-right">
	<!-- (B1) CURRENT WORD(S) -->
	<div id="hangman-words"></div>

	<!-- (B2) AVAILABLE CHARACTERS -->
	<div id="hangman-char"></div>

	<!-- (B3) RESET -->
	<input type="button" value="Reset" id="hangman-reset" disabled>
	</div>
	</div>
	</body>
	</html>
	var hangman = {
	// (A) GAME SETTINGS
	// the number of "lives"
	guesses : 5,
	// available words for guessing
	dictionary : ["impress", "incapable", "satisfaction", "develop", "determine"],

	// (B) FLAGS
	word : null, // current chosen word
	wordlen : 0, // word length
	rights : 0, // current number of correct words
	wrongs : 0, // current number of wrong guesses

	// (C) HTML ELEMENTS
	hImg : null, // hangman iamge
	hWord : null, // current word
	hChar : null, // available characters
	hLives : null, // lives left

	// (D) INIT
	init : () => {
	// (D1) GET HTML ELEMENTS
	hangman.hImg = document.getElementById("hangman-img");
	hangman.hWord = document.getElementById("hangman-words");
	hangman.hChar = document.getElementById("hangman-char");
	hangman.hLives = document.getElementById("hangman-lives");

	// (D2) GENERATE AVAILABLE CHARACTERS (A-Z)
	for (var i=65; i<91; i++) {
	let charnow = document.createElement("input");
	charnow.type = "button";
	charnow.value = String.fromCharCode(i);
	charnow.disabled = true;
	charnow.onclick = () => hangman.check(charnow);
	hangman.hChar.appendChild(charnow);
	}

	// (D3) START GAME
	let rst = document.getElementById("hangman-reset");
	rst.onclick = hangman.reset;
	rst.disabled = false;
	hangman.reset();
	},

	// (E) HELPER - TOGGLE ENABLE/DISABLE ALL AVAILABLE CHARACTERS
	toggle : disable => {
	let all = hangman.hChar.getElementsByTagName("input");
	for (var i of all) { i.disabled = disable; }
	},

	// (F) START/RESET THE GAME
	reset : () => {
	// (F1) RESET STATS
	hangman.rights = 0;
	hangman.wrongs = 0;
	hangman.hLives.innerHTML = hangman.guesses;
	hangman.hImg.style.opacity = 0;

	// (F2) CHOOSE A RANDOM WORD FROM THE DICTIONARY
	hangman.word = hangman.dictionary[Math.floor(Math.random() * Math.floor(hangman.dictionary.length))];
	hangman.word = hangman.word.toUpperCase();
	hangman.wordlen = hangman.word.length;
	// CHEAT!
	// console.log(hangman.word);

	// (F3) DRAW THE BLANKS
	hangman.hWord.innerHTML = "";
	for (var i=0; i<hangman.word.length; i++) {
	var charnow = document.createElement("span");
	charnow.innerHTML = "_";
	charnow.id = "hangword-" + i;
	hangman.hWord.appendChild(charnow);
	}

	// (F4) ENABLE ALL CHARACTERS
	hangman.toggle(false);
	},

	// (G) CHECK IF SELECTED CHARACTER IS IN THE CURRENT WORD
	check : char => {
	// (G1) CHECK FOR HITS
	var index = 0, hits = [];
	while (index >= 0) {
	index = hangman.word.indexOf(char.value, index);
	if (index == -1) { break; }
	else {
	hits.push(index);
	index++;
	}
	}

	// (G2) CORRECT - SHOW THE HITS
	if (hits.length > 0) {
	// (G2-1) REVEAL WORDS
	for (var hit of hits) {
	document.getElementById("hangword-" + hit).innerHTML = char.value;
	}

	// (G2-2) ALL HIT - WIN!
	hangman.rights += hits.length;
	if (hangman.rights == hangman.wordlen) {
	hangman.toggle(true);
	alert("YOU WIN!");
	}
	}

	// (G3) WRONG - MINUS LIFE & SHOW HANGMAN
	else {
	// (G3-1) UPDATE HANGMAN
	hangman.wrongs++;
	var livesleft = hangman.guesses - hangman.wrongs;
	hangman.hLives.innerHTML = livesleft;
	hangman.hImg.style.opacity = (1 - (livesleft/hangman.guesses)).toFixed(2);

	// (G3-2) RUN OUT OF GUESSES - LOSE!
	if (hangman.wrongs == hangman.guesses) {
	hangman.toggle(true);
	alert("YOU LOSE!");
	}
	}

	// (G4) DISABLE SELECTED CHARACTER
	char.disabled = true;
	}
	};
	window.addEventListener("DOMContentLoaded", hangman.init);