javascript snippets

deepcopy.js

// function to deep copy an object
function deepCopy(object) {
	return JSON.parse(JSON.stringify(object));
}

once.js

// wrapper function to call a function once
function once(fn, context) { 
	var result;

	return function() { 
		if(fn) {
			result = fn.apply(context || this, arguments);
			fn = null;
		}

		return result;
	};
}