JSDOC / codingstandards for Array/String extention functions

git-svn-id: http://svn.openlayers.org/trunk/openlayers@142 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Util.js

@@ -448,22 +448,50 @@ OpenLayers.Bounds.fromString = function(str) {
 String.prototype.startsWith = function(sStart){
     return (this.substr(0,sStart.length) == sStart);
 };
+
+/**
+* @returns A trimmed version of the string - all leading and 
+*          trailing spaces removed
+* @type String
+*/
 String.prototype.trim = function() {
-    var b=0,e=this.length -1;
+    
-    while(this.substr(b,1) == " ") {b++;}
+    var b = 0;
-    while(this.substr(e,1) == " ") {e--;}
+    while(this.substr(b,1) == " ") {
+        b++;
+    }
+    
+    var e = this.length - 1;
+    while(this.substr(e,1) == " ") {
+        e--;
+    }
+    
     return this.substring(b, e+1);
 };
-Array.prototype.remove = function(rem) {
+
+/** Remove an object from an array. Iterates through the array
+*    to find the item, then removes it.
+*
+* @param {Object} item
+* 
+* @returns A reference to the array
+* @type Array
+*/
+Array.prototype.remove = function(item) {
     for(var i=0; i < this.length; i++) {
-        if(this[i]==rem) {
+        if(this[i] == item) {
             this.splice(i,1);
             //break;more than once??
         }
     }
     return this;
 }
-Array.prototype.copy = function() {
+
+/**
+* @returns A fresh copy of the array
+* @type Array
+*/
+Array.prototype.copyOf = function() {
   var copy = new Array();
   for (var i = 0; i < this.length; i++) {
       copy[i] = this[i];
@@ -471,13 +499,25 @@ Array.prototype.copy = function() {
   return copy;
 };
 
-Array.prototype.prepend = function(the_item) {
+/**
-    this.splice(0,0,the_item);
+* @param  {Object} item
+*/
+Array.prototype.prepend = function(item) {
+    this.splice(0, 0, item);
 };
-Array.prototype.append=function(the_item){
+
-    this[this.length]=the_item;
+/**
+* @param  {Object} item
+*/
+Array.prototype.append = function(item){
+    this[this.length] = item;
+};
+
+/**
+*/
+Array.prototype.clear = function() {
+    this.length = 0;
 };
-Array.prototype.clear=function() {this.length=0;};