Yes you can! QA Agent (http://qaagent.com) is web based IDE for development of web functional tests. It is Free. You can develop your tests using Java Script and jQuery. You don’t need to install anything, just try it.
QA Agent allows you to organize your tests into test suites. You can run your test in your browser. You can prepare set of tests for several minutes.
QA Agent allows its users to influence over its backlog. This means that you can propose a feature and observe its progress and expect this feature to be incorporated into QA Agent.
Give it a try!
QA Agent 
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