73 lines
1.9 KiB
JavaScript
73 lines
1.9 KiB
JavaScript
/**
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* Some functions and prototypes which make our life easier
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*
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* not volkszaehler.org related
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*
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* @author Florian Ziegler <fz@f10-home.de>
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* @author Justin Otherguy <justin@justinotherguy.org>
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* @author Steffen Vogel <info@steffenvogel.de>
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* @copyright Copyright (c) 2011, The volkszaehler.org project
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* @package default
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* @license http://opensource.org/licenses/gpl-license.php GNU Public License
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*/
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/*
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* This file is part of volkzaehler.org
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*
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* volkzaehler.org is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation, either version 3 of the License, or any later version.
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*
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* volkzaehler.org is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* volkszaehler.org. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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* Array extensions
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* according to js language specification ECMA 1.6
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*/
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Array.prototype.indexOf = function(n) {
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for (var i = 0, l = this.length; i < l; i++) {
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if (n == this[i]) return i;
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}
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};
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Array.prototype.remove = function(n) {
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this.splice(this.indexOf(n), 1);
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};
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Array.prototype.each = function(cb, ctx) {
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for (var i = 0, l = this.length; i < l; i++) {
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if (cb.call((ctx === undefined) ? this[i] : ctx, i, this[i]) === false) {
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break;
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}
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}
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};
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Array.prototype.contains = function(n) {
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return this.indexOf(n) !== undefined;
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};
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Array.prototype.clear = function() {
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this.length = 0;
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}
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Array.prototype.unique = function() {
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var r = new Array;
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this.each(function(key, value) {
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if (!r.contains(value)) {
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r.push(value);
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}
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});
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return r;
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}
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Array.prototype.last = function() {
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if (this.length > 0) {
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return this[this.length-1];
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}
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}
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