ajax框架原吗,dojo目前很流行的,希望大家多多学习啊

				if(!dojo._hasResource["dojox.dtl.tests.context"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.				dojo._hasResource["dojox.dtl.tests.context"] = true;				dojo.provide("dojox.dtl.tests.context");								dojo.require("dojox.dtl");								doh.register("dojox.dtl.context", 					[						function test_context_creation(t){							var context = new dojox.dtl.Context({ foo: "foo", bar: "bar" });							t.is("foo", context.foo);							t.is("bar", context.bar);						},						function test_context_push(t){							var context = new dojox.dtl.Context({ foo: "foo", bar: "bar" });							context.push();							for(var key in context._dicts[0]){								t.t(key == "foo" || key == "bar");							}						},						function test_context_pop(t){							var context = new dojox.dtl.Context({ foo: "foo", bar: "bar" });							context.push();							t.is("undefined", typeof context.foo);							t.is("undefined", typeof context.bar);							context.pop();							t.is("foo", context.foo);							t.is("bar", context.bar);						},						function test_context_overpop(t){							var context = new dojox.dtl.Context();							try{								context.pop();								t.t(false);							}catch(e){								t.is("pop() has been called more times than push() on the Context", e.message);							}						},						function test_context_filter(t){							var context = new dojox.dtl.Context({ foo: "one", bar: "two", baz: "three" });							var filtered = context.filter("foo", "bar");							t.is(filtered.foo, "one");							t.is(filtered.bar, "two");							t.f(filtered.baz);											filtered = context.filter({ bar: true, baz: true });							t.f(filtered.foo);							t.is(filtered.bar, "two");							t.is(filtered.baz, "three");											filtered = context.filter(new dojox.dtl.Context({ foo: true, baz: true }));							t.is(filtered.foo, "one");							t.f(filtered.bar);							t.is(filtered.baz, "three");						},						function test_context_extend(t){							var context = new dojox.dtl.Context({ foo: "one" });							var extended = context.extend({ bar: "two", baz: "three" });							t.is(extended.foo, "one");							t.is(extended.bar, "two");							t.is(extended.baz, "three");											extended = context.extend({ barr: "two", bazz: "three" });							t.is(extended.foo, "one");							t.f(extended.bar);							t.f(extended.baz);							t.is(extended.barr, "two");							t.is(extended.bazz, "three");											t.f(context.bar)							t.f(context.baz);							t.f(context.barr);							t.f(context.bazz);						}					]				);								}