// Array Extensions v1.0.6 // documentation: http://www.dithered.com/javascript/array/index.html // license: http://creativecommons.org/licenses/by/1.0/ // code by Chris Nott (chris[at]dithered[dot]com) /* Array.concat() - Join two arrays Array.copy() - Copy an array Array.pop() - Remove the last element of an array and return it Array.push(element) - Add an element to the end of an array Array.shift() - Remove the first element of an array and return it Array.slice() - Copy several elements of an array and return them Array.splice() - Splice out and / or replace several elements of an array and return any deleted elements Array.unshift(element) - Add an element to the beginning of an array Fonctions ajoutées : Claude Frascadore Array.inArray(value) - Returns true if the passed value is found in the array. Returns false if it is not. Array.partOfArrayElements(value) - Returns true if the passed value is found in an mixed element (e.g. "aaaa,34,26" ) of the array. Returns false if it is not. Array.delElement(index) - deletes an element at index Array.getElementPos(value) - Returne the index of a given element */ var undefined; function isUndefined(property) { return (typeof property == 'undefined'); } // Array.concat() - Join two arrays if (isUndefined(Array.prototype.concat) == true) { Array.prototype.concat = function (secondArray) { var firstArray = this.copy(); for (var i = 0; i < secondArray.length; i++) { firstArray[firstArray.length] = secondArray[i]; } return firstArray; }; } // Array.copy() - Copy an array if (isUndefined(Array.prototype.copy) == true) { Array.prototype.copy = function() { var copy = new Array(); for (var i = 0; i < this.length; i++) { copy[i] = this[i]; } return copy; }; } // Array.pop() - Remove the last element of an array and return it if (isUndefined(Array.prototype.pop) == true) { Array.prototype.pop = function() { var lastItem = undefined; if ( this.length > 0 ) { lastItem = this[this.length - 1]; this.length--; } return lastItem; }; } // Array.push() - Add an element to the end of an array if (isUndefined(Array.prototype.push) == true) { Array.prototype.push = function() { var currentLength = this.length; for (var i = 0; i < arguments.length; i++) { this[currentLength + i] = arguments[i]; } return this.length; }; } // Array.shift() - Remove the first element of an array and return it if (isUndefined(Array.prototype.shift) == true) { Array.prototype.shift = function() { var firstItem = this[0]; for (var i = 0; i < this.length - 1; i++) { this[i] = this[i + 1]; } this.length--; return firstItem; }; } // Array.slice() - Copy several elements of an array and return them if (isUndefined(Array.prototype.slice) == true) { Array.prototype.slice = function(start, end) { var temp; if (end == null || end == '') end = this.length; // negative arguments measure from the end of the array else if (end < 0) end = this.length + end; if (start < 0) start = this.length + start; // swap limits if they are backwards if (end < start) { temp = end; end = start; start = temp; } // copy elements from array to a new array and return the new array var newArray = new Array(); for (var i = 0; i < end - start; i++) { newArray[i] = this[start + i]; } return newArray; }; } // Array.splice() - Splice out and / or replace several elements of an array and return any deleted elements if (isUndefined(Array.prototype.splice) == true) { Array.prototype.splice = function(start, deleteCount) { if (deleteCount == null || deleteCount == '') deleteCount = this.length - start; // create a temporary copy of the array var tempArray = this.copy(); // Copy new elements into array (over-writing old entries) for (var i = start; i < start + arguments.length - 2; i++) { this[i] = arguments[i - start + 2]; } // Copy old entries after the end of the splice back into array and return for (var i = start + arguments.length - 2; i < this.length - deleteCount + arguments.length - 2; i++) { this[i] = tempArray[i + deleteCount - arguments.length + 2]; } this.length = this.length - deleteCount + (arguments.length - 2); return tempArray.slice(start, start + deleteCount); }; } // Array.unshift - Add an element to the beginning of an array if (isUndefined(Array.prototype.unshift) == true) { Array.prototype.unshift = function(the_item) { for (loop = this.length-1 ; loop >= 0; loop--) { this[loop+1] = this[loop]; } this[0] = the_item; return this.length; }; } if (isUndefined(Array.prototype.inArray) == true) { Array.prototype.inArray = function (value) // Returns true if the passed value is found in the // array. Returns false if it is not. { var i; for (i=0; i < this.length; i++) { // Matches identical (===), not just similar (==). if (this[i] === value) { return true; } } return false; } }; if (isUndefined(Array.prototype.partOfArrayElements) == true) { Array.prototype.partOfArrayElements = function (value) // Returns true if the passed value is found in the // array. Returns false if it is not. { var i; for (i=0; i < this.length; i++) { // Matches identical (===), not just similar (==). if (this[i].indexOf(value)!=-1) { return true; } } return false; } }; if (isUndefined(Array.prototype.partOfArrayComposedElements) == true) { Array.prototype.partOfArrayComposedElements = function (value) // Returns true if the passed value is found in the first element of // an array made of comma delimited strings (eg. 1,2;2,3;1.3... ) // Returns false if it is not. { var i; for (i=0; i < this.length; i++) { // Matches identical (===), not just similar (==). elements = this[i].split(',') if (elements[0].indexOf(value)!=-1) { return true; } } return false; } }; if (isUndefined(Array.prototype.delElement) == true) { Array.prototype.delElement = function (delindex) { size = this.length; validNo = (delindex != "NaN"); inRange = ( (delindex >= 0) && (delindex <= this.length) ); if (validNo && inRange) { for (var i=0; i<=size; i++) this[i] = ((i == delindex) ? "delete" : this[i]); for (var j=delindex; j