Readme formatting, and start of DOM .children function

README.md

@@ -16,7 +16,7 @@ Browser support: IE8+, Latest versions of Firefox, Chrome, Safari, Opera
 * Function:	`$_(selector).module.function(params);`
 
 ## Official Modules: ##
-**Global**: Core functions
+###Global###: Core functions
 	
 properties:
 
@@ -39,7 +39,7 @@ Browser support: IE8+, Latest versions of Firefox, Chrome, Safari, Opera
 					Adds 'zip' function to $_.
 		
 
-**Ajax**: simple, jQuery-like ajax functions
+###Ajax###: simple, jQuery-like ajax functions
 
 functions:
 	
@@ -51,7 +51,7 @@ Browser support: IE8+, Latest versions of Firefox, Chrome, Safari, Opera
 	Use:
 	    $_.post(url, data_object, callback);
 			
-**QS**: querystring parsing and serialization for hashbang strings, and pushState urls
+###QS###: querystring parsing and serialization for hashbang strings, and pushState urls
 	
 functions:
 	
@@ -67,7 +67,7 @@ Browser support: IE8+, Latest versions of Firefox, Chrome, Safari, Opera
 		Use:
 		    $_.qs.get(key);
 			    
-**Store**: localstorage wrapper with automatic data serialization
+###Store###: localstorage wrapper with automatic data serialization
 
 functions:
 
@@ -84,7 +84,7 @@ Browser support: IE8+, Latest versions of Firefox, Chrome, Safari, Opera
 			$_.store.getAll();
 				
 				
-**Event**: wrapper for applying events to DOM objects
+###Event###: wrapper for applying events to DOM objects
 
 functions: 
 
@@ -96,9 +96,9 @@ Browser support: IE8+, Latest versions of Firefox, Chrome, Safari, Opera
 		Use:
 		    $_(selector).event.remove(event, callback);
 			    
-**DOM**: Dom manipulation module
+###DOM###: Dom manipulation module
 
-	function: 
+functions: 
 
 	*addClass: 
 		Use:
@@ -130,7 +130,7 @@ Browser support: IE8+, Latest versions of Firefox, Chrome, Safari, Opera
 	*css: Sets css styles on the selected element(s)
 		Use:
 			Set: $_(selector).dom.css(property, value);
-				
+			Get: $_(selector).dom.css(property);
 		
 				
 	

src/DOM.js

@@ -1,10 +1,3 @@
-/**
- * Dom manipulation object
- *
- */
-(function (){
-	var d;
-	
 /*
  * classList.js: Cross-browser full element.classList implementation.
  * 2011-06-15
@@ -161,6 +154,18 @@
 
 // --------------------------------------------------------------------------
 
+/**
+ * Dom manipulation object
+ *
+ */
+(function (){
+	var d, tag_reg, id_reg, class_reg;
+	
+	tag_reg = /^([\w\-]+)$/;
+	id_reg = /#([\w\-]+$)/;
+	class_reg = /\.([\w\-]+)$/;
+	
+	
 	//Private function for getting/setting attributes
 	function _attr(sel, name, value)
 	{
@@ -280,6 +285,62 @@
 		console.log("Property " + prop + " nor an equivalent seems to exist");
 	}
 	
+	function _sel_filter(filter, curr_sel)
+	{
+		var i,
+			len = curr_sel.length,
+			matches = [];
+		
+		if(typeof filter !== "string")
+		{
+			return filter;
+		}
+	
+		//Filter by tag
+		if(filter.match(tag_reg))
+		{
+			for(i=0;i<len;i++)
+			{
+				if(curr_sell[i].tagName.toLowerCase() == filter.toLowerCase())
+				{
+					matches.push(curr_sel[i]);
+				}
+			}
+		}
+		else if(filter.match(class_reg))
+		{
+			for(i=0;i<len;i++)
+			{
+				if(curr_sel[i].classList.contains(filter))
+				{
+					matches.push(curr_sel[i]);
+				}
+			}
+		}
+		else if(filter.match(id_reg))
+		{
+			return document.getElementById(filter);
+		}
+		else
+		{
+			console.log(filter+" is not a valid filter");
+		}
+		
+		return (matches.length === 1) ? matches[0] : matches;
+		
+	}
+	
+	function _set_sel(sel)
+	{
+		for(var i in $_) 
+		{
+			if(typeof $_[i] === "object")
+			{
+				$_[i].el = sel;
+			}	
+		}
+	}
+	
 	// --------------------------------------------------------------------------
 
 	d = {
@@ -367,6 +428,25 @@
 			$_.each(function (e){
 				_css(e, prop, val);
 			});
+		}, 
+		children: function(filter)
+		{
+			var sel;
+		
+			if(typeof sel === "undefined")
+			{
+				sel =  this.el.children;
+			}
+			else
+			{
+				sel = _sel_filter(filter, this.el.children);
+			}
+		
+			//Update the $_ object to reflect the new selector
+			_set_sel(sel);
+
+			//Return the $_ object for chaining
+			return $_
 		}
 	};