jquery core: commenting the new access function.

src/core.js

@@ -553,17 +553,22 @@ function evalScript( i, elem ) {
 	}
 }
 
+// Mutifunctional method to get and set values to a collection
+// The value/s can be optionally by executed if its a function
 function access( elems, key, value, exec, fn ) {
 	var l = elems.length;
 
+	// Setting many attributes
 	if ( typeof key === "object" ) {
 			for (var k in key) {
 				access(elems, k, key[k], exec, fn);
 			}
 		return elems;
 	}
 
+	// Setting one attribute
 	if (value !== undefined) {
+		// Optionally, function values get executed if exec is true
 		exec = exec && jQuery.isFunction(value);
 
 		for (var i = 0; i < l; i++) {
@@ -574,6 +579,7 @@ function access( elems, key, value, exec, fn ) {
 		return elems;
 	}
 
+	// Getting an attribute
 	return l ? fn(elems[0], key) : null;
 }