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/*
 * e4x-dom.js
 * Version 1.0.2
 * 
 * e4x-dom.js makes it easy to interact with the DOM with E4X XML objects.
 *
 * 2009-11-18
 * 
 * By Elijah Grey, http://eligrey.com
 * 

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// e4x-dom.js usage examples

"use strict";

var img = <img
  src={prompt("Enter an image URI")}
  longdesc={prompt("Describe the image")}
  id="foobar"
/>;
img.@alt = img.@longdesc;

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/*
 * DontEnum.js
 * 2009-10-11
 * 
 * By Elijah Grey, http://eligrey.com
 * 
 * DontEnum.js allows you to set properties as non-enumerable.
 * To set a property as non-enumerable, set someObject.DontEnum$property to true.
 * Requires JavaScript 1.7 or higher.
 */

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"use strict";

Array.prototype.item = function (i) {
  return this[(i < 0 ? this.length + i : i) >>> 0];
};

// example: [1,2,3,4,5].item(-2) === 4

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function upperFirstChar({$self, 0: firstChar})
	firstChar.toUpperCase() + $self.substr(1); // no need to use arguments[0]

upperFirstChar("foobar") === "Foobar";

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"use strict";

// lockTitle() returns a function that is allowed to change the title after it is locked
// This only works in browsers that support the DOMTitleChanged event (only Firefox)

var lockTitle = function () {
	lockTitle = undefined;
	var titleChanging = false,
	title = document.title;
	document.addEventListener("DOMTitleChanged", function () {

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"use strict";

Function.prototype.applyCurry = function (thisp, args) {
	var fn = this,
	F = function () {
		return fn.apply(
			thisp !== null && typeof thisp !== "undefined" ? thisp : this,
			args.concat(Array.prototype.slice.call(arguments))
		);
	};

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// Requires ECMAScript 6

"use strict";

XPathResult.prototype[Symbol.iterator] = function* () {
	let node;
	switch (this.resultType) {
		case XPathResult.UNORDERED_NODE_ITERATOR_TYPE:
		case XPathResult.ORDERED_NODE_ITERATOR_TYPE:
			while (node = this.iterateNext()) {

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// ECMAScript 3

"use strict";

if (typeof StopIteration !== "undefined") {
	StopIteration.name = "StopIteration"; // the only exception class that doesn't have a name
	StopIteration.message = "End of iteration"; // might as well give it a message too
}

Function.prototype.suppress = function () {

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// This is a usage example of using function.input to asynchronously get input for
// a synchronous function. All parameters of printName can be skipped by passing undefined
// in their place. Input will be requested from the user for every parameter skipped.

var reqName = {
	message: "Enter name",
	defaultValue: "John Doe"
},
printName = function (name, lied) {
	var [first, last] = (name || (yield [String, reqName])).split(" ");