pzpr.js can be used under either browser environment or node.js.
on browser
<!DOCTYPE html>
<html>
<head>
<script src='path/to/pzpr.js'></script>
<script>
var puzzle;
pzpr.on('load', function(){
puzzle = new pzpr.Puzzle(document.getElementById('puzzlecanvas'), {type:'player'});
puzzle.open('nurikabe/5/5/g5k2o1k3g');
});
</script>
</head>
<body>
<div id="puzzlecanvas" style="width:200px;height:200px;"></div>
<input type="button" value="Check" onclick="alert(puzzle.check(true).text);"></input>
<input type="button" value="Clear" onclick="puzzle.ansclear();"></input>
</body>
</html>on node.js
var pzpr = require('pzpr');
var puzzle = new pzpr.Puzzle({type:'player'}).open('nurikabe/5/5/g5k2o1k3g');
puzzle.mouse.inputPath(3,3, 3,9, 1,9, 5,9);
puzzle.mouse.inputPath(5,1, 9,1, 9,5, 5,5, 7,7);
console.log(puzzle.check().text);
// -> 'Complete!'